test/example/c-api-kitchen-sink.c

// We always need asserts here
#ifdef NDEBUG
#undef NDEBUG
#endif

#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <binaryen-c.h>

// kitchen sink, tests the full API

// helpers

static const uint8_t v128_bytes[] = {
  1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16};

BinaryenExpressionRef
makeUnary(BinaryenModuleRef module, BinaryenOp op, BinaryenType inputType) {
  if (inputType == BinaryenTypeInt32())
    return BinaryenUnary(
      module, op, BinaryenConst(module, BinaryenLiteralInt32(-10)));
  if (inputType == BinaryenTypeInt64())
    return BinaryenUnary(
      module, op, BinaryenConst(module, BinaryenLiteralInt64(-22)));
  if (inputType == BinaryenTypeFloat32())
    return BinaryenUnary(
      module, op, BinaryenConst(module, BinaryenLiteralFloat32(-33.612f)));
  if (inputType == BinaryenTypeFloat64())
    return BinaryenUnary(
      module, op, BinaryenConst(module, BinaryenLiteralFloat64(-9005.841)));
  if (inputType == BinaryenTypeVec128())
    return BinaryenUnary(
      module, op, BinaryenConst(module, BinaryenLiteralVec128(v128_bytes)));
  abort();
}

BinaryenExpressionRef
makeBinary(BinaryenModuleRef module, BinaryenOp op, BinaryenType type) {
  if (type == BinaryenTypeInt32()) {
    // use temp vars to ensure optimization doesn't change the order of
    // operation in our trace recording
    BinaryenExpressionRef temp =
      BinaryenConst(module, BinaryenLiteralInt32(-11));
    return BinaryenBinary(
      module, op, BinaryenConst(module, BinaryenLiteralInt32(-10)), temp);
  }
  if (type == BinaryenTypeInt64()) {
    BinaryenExpressionRef temp =
      BinaryenConst(module, BinaryenLiteralInt64(-23));
    return BinaryenBinary(
      module, op, BinaryenConst(module, BinaryenLiteralInt64(-22)), temp);
  }
  if (type == BinaryenTypeFloat32()) {
    BinaryenExpressionRef temp =
      BinaryenConst(module, BinaryenLiteralFloat32(-62.5f));
    return BinaryenBinary(
      module,
      op,
      BinaryenConst(module, BinaryenLiteralFloat32(-33.612f)),
      temp);
  }
  if (type == BinaryenTypeFloat64()) {
    BinaryenExpressionRef temp =
      BinaryenConst(module, BinaryenLiteralFloat64(-9007.333));
    return BinaryenBinary(
      module,
      op,
      BinaryenConst(module, BinaryenLiteralFloat64(-9005.841)),
      temp);
  }
  if (type == BinaryenTypeVec128()) {
    BinaryenExpressionRef temp =
      BinaryenConst(module, BinaryenLiteralVec128(v128_bytes));
    return BinaryenBinary(
      module,
      op,
      BinaryenConst(module, BinaryenLiteralVec128(v128_bytes)),
      temp);
  }
  abort();
}

BinaryenExpressionRef makeInt32(BinaryenModuleRef module, int x) {
  return BinaryenConst(module, BinaryenLiteralInt32(x));
}

BinaryenExpressionRef makeFloat32(BinaryenModuleRef module, float x) {
  return BinaryenConst(module, BinaryenLiteralFloat32(x));
}

BinaryenExpressionRef makeInt64(BinaryenModuleRef module, int64_t x) {
  return BinaryenConst(module, BinaryenLiteralInt64(x));
}

BinaryenExpressionRef makeFloat64(BinaryenModuleRef module, double x) {
  return BinaryenConst(module, BinaryenLiteralFloat64(x));
}

BinaryenExpressionRef makeVec128(BinaryenModuleRef module,
                                 uint8_t const* bytes) {
  return BinaryenConst(module, BinaryenLiteralVec128(bytes));
}

BinaryenExpressionRef makeSomething(BinaryenModuleRef module) {
  return makeInt32(module, 1337);
}

BinaryenExpressionRef makeDroppedInt32(BinaryenModuleRef module, int x) {
  return BinaryenDrop(module, BinaryenConst(module, BinaryenLiteralInt32(x)));
}

BinaryenExpressionRef makeSIMDExtract(BinaryenModuleRef module, BinaryenOp op) {
  return BinaryenSIMDExtract(module, op, makeVec128(module, v128_bytes), 0);
}

BinaryenExpressionRef
makeSIMDReplace(BinaryenModuleRef module, BinaryenOp op, BinaryenType type) {
  BinaryenExpressionRef val;
  if (type == BinaryenTypeInt32()) {
    val = makeInt32(module, 42);
  }
  if (type == BinaryenTypeInt64()) {
    val = makeInt64(module, 42);
  }
  if (type == BinaryenTypeFloat32()) {
    val = makeFloat32(module, 42.);
  }
  if (type == BinaryenTypeFloat64()) {
    val = makeFloat64(module, 42.);
  }
  if (!val) {
    abort();
  }
  return BinaryenSIMDReplace(
    module, op, makeVec128(module, v128_bytes), 0, val);
}

BinaryenExpressionRef makeSIMDShuffle(BinaryenModuleRef module) {
  BinaryenExpressionRef left = makeVec128(module, v128_bytes);
  BinaryenExpressionRef right = makeVec128(module, v128_bytes);
  return BinaryenSIMDShuffle(module, left, right, (uint8_t[16]){});
}

BinaryenExpressionRef makeSIMDTernary(BinaryenModuleRef module, BinaryenOp op) {
  BinaryenExpressionRef a = makeVec128(module, v128_bytes);
  BinaryenExpressionRef b = makeVec128(module, v128_bytes);
  BinaryenExpressionRef c = makeVec128(module, v128_bytes);
  return BinaryenSIMDTernary(module, op, a, b, c);
}

BinaryenExpressionRef makeSIMDShift(BinaryenModuleRef module, BinaryenOp op) {
  BinaryenExpressionRef vec = makeVec128(module, v128_bytes);
  return BinaryenSIMDShift(module, op, vec, makeInt32(module, 1));
}

BinaryenExpressionRef makeMemoryInit(BinaryenModuleRef module) {
  BinaryenExpressionRef dest = makeInt32(module, 1024);
  BinaryenExpressionRef offset = makeInt32(module, 0);
  BinaryenExpressionRef size = makeInt32(module, 12);
  return BinaryenMemoryInit(module, "1", dest, offset, size, "0");
};

BinaryenExpressionRef makeDataDrop(BinaryenModuleRef module) {
  return BinaryenDataDrop(module, "1");
};

BinaryenExpressionRef makeMemoryCopy(BinaryenModuleRef module) {
  BinaryenExpressionRef dest = makeInt32(module, 2048);
  BinaryenExpressionRef source = makeInt32(module, 1024);
  BinaryenExpressionRef size = makeInt32(module, 12);
  return BinaryenMemoryCopy(module, dest, source, size, "0", "0");
};

BinaryenExpressionRef makeMemoryFill(BinaryenModuleRef module) {
  BinaryenExpressionRef dest = makeInt32(module, 0);
  BinaryenExpressionRef value = makeInt32(module, 42);
  BinaryenExpressionRef size = makeInt32(module, 1024);
  return BinaryenMemoryFill(module, dest, value, size, "0");
};

// tests

void test_types() {
  BinaryenType valueType = 0xdeadbeef;

  BinaryenType none = BinaryenTypeNone();
  printf("BinaryenTypeNone: %zd\n", none);
  assert(BinaryenTypeArity(none) == 0);
  BinaryenTypeExpand(none, &valueType);
  assert(valueType == 0xdeadbeef);

  BinaryenType unreachable = BinaryenTypeUnreachable();
  printf("BinaryenTypeUnreachable: %zd\n", unreachable);
  assert(BinaryenTypeArity(unreachable) == 1);
  BinaryenTypeExpand(unreachable, &valueType);
  assert(valueType == unreachable);

  BinaryenType i32 = BinaryenTypeInt32();
  printf("BinaryenTypeInt32: %zd\n", i32);
  assert(BinaryenTypeArity(i32) == 1);
  BinaryenTypeExpand(i32, &valueType);
  assert(valueType == i32);

  BinaryenType i64 = BinaryenTypeInt64();
  printf("BinaryenTypeInt64: %zd\n", i64);
  assert(BinaryenTypeArity(i64) == 1);
  BinaryenTypeExpand(i64, &valueType);
  assert(valueType == i64);

  BinaryenType f32 = BinaryenTypeFloat32();
  printf("BinaryenTypeFloat32: %zd\n", f32);
  assert(BinaryenTypeArity(f32) == 1);
  BinaryenTypeExpand(f32, &valueType);
  assert(valueType == f32);

  BinaryenType f64 = BinaryenTypeFloat64();
  printf("BinaryenTypeFloat64: %zd\n", f64);
  assert(BinaryenTypeArity(f64) == 1);
  BinaryenTypeExpand(f64, &valueType);
  assert(valueType == f64);

  BinaryenType v128 = BinaryenTypeVec128();
  printf("BinaryenTypeVec128: %zd\n", v128);
  assert(BinaryenTypeArity(v128) == 1);
  BinaryenTypeExpand(v128, &valueType);
  assert(valueType == v128);

  BinaryenType funcref = BinaryenTypeFuncref();
  printf("BinaryenTypeFuncref: (ptr)\n");
  assert(funcref == BinaryenTypeFuncref());
  assert(BinaryenTypeArity(funcref) == 1);
  BinaryenTypeExpand(funcref, &valueType);
  assert(valueType == funcref);

  BinaryenType externref = BinaryenTypeExternref();
  printf("BinaryenTypeExternref: (ptr)\n");
  assert(externref == BinaryenTypeExternref());
  assert(BinaryenTypeArity(externref) == 1);
  BinaryenTypeExpand(externref, &valueType);
  assert(valueType == externref);

  BinaryenType anyref = BinaryenTypeAnyref();
  printf("BinaryenTypeAnyref: (ptr)\n");
  assert(anyref == BinaryenTypeAnyref());
  assert(BinaryenTypeArity(anyref) == 1);
  BinaryenTypeExpand(anyref, &valueType);
  assert(valueType == anyref);

  BinaryenType eqref = BinaryenTypeEqref();
  printf("BinaryenTypeEqref: (ptr)\n");
  assert(eqref == BinaryenTypeEqref());
  assert(BinaryenTypeArity(eqref) == 1);
  BinaryenTypeExpand(eqref, &valueType);
  assert(valueType == eqref);

  BinaryenType i31ref = BinaryenTypeI31ref();
  printf("BinaryenTypeI31ref: (ptr)\n");
  assert(i31ref == BinaryenTypeI31ref());
  assert(BinaryenTypeArity(i31ref) == 1);
  BinaryenTypeExpand(i31ref, &valueType);
  assert(valueType == i31ref);

  BinaryenType structref = BinaryenTypeStructref();
  printf("BinaryenTypeStructref: (ptr)\n");
  assert(structref == BinaryenTypeStructref());
  assert(BinaryenTypeArity(structref) == 1);
  BinaryenTypeExpand(structref, &valueType);
  assert(valueType == structref);

  BinaryenType arrayref = BinaryenTypeArrayref();
  printf("BinaryenTypeArrayref: (ptr)\n");
  assert(arrayref == BinaryenTypeArrayref());
  assert(BinaryenTypeArity(arrayref) == 1);
  BinaryenTypeExpand(arrayref, &valueType);
  assert(valueType == arrayref);

  BinaryenType stringref = BinaryenTypeStringref();
  printf("BinaryenTypeStringref: (ptr)\n");
  assert(BinaryenTypeArity(stringref) == 1);
  BinaryenTypeExpand(stringref, &valueType);
  assert(valueType == stringref);

  BinaryenType nullref = BinaryenTypeNullref();
  printf("BinaryenTypeNullref: (ptr)\n");
  assert(BinaryenTypeArity(nullref) == 1);
  BinaryenTypeExpand(nullref, &valueType);
  assert(valueType == nullref);

  BinaryenType nullexternref = BinaryenTypeNullExternref();
  printf("BinaryenTypeNullExternref: (ptr)\n");
  assert(BinaryenTypeArity(nullexternref) == 1);
  BinaryenTypeExpand(nullexternref, &valueType);
  assert(valueType == nullexternref);

  BinaryenType nullfuncref = BinaryenTypeNullFuncref();
  printf("BinaryenTypeNullFuncref: (ptr)\n");
  assert(BinaryenTypeArity(nullfuncref) == 1);
  BinaryenTypeExpand(nullfuncref, &valueType);
  assert(valueType == nullfuncref);

  printf("BinaryenTypeAuto: %zd\n", BinaryenTypeAuto());

  BinaryenType pair[] = {i32, i32};

  BinaryenType i32_pair = BinaryenTypeCreate(pair, 2);
  assert(BinaryenTypeArity(i32_pair) == 2);
  pair[0] = pair[1] = none;
  BinaryenTypeExpand(i32_pair, pair);
  assert(pair[0] == i32 && pair[1] == i32);

  BinaryenType duplicate_pair = BinaryenTypeCreate(pair, 2);
  assert(duplicate_pair == i32_pair);

  pair[0] = pair[1] = f32;
  BinaryenType float_pair = BinaryenTypeCreate(pair, 2);
  assert(float_pair != i32_pair);

  BinaryenPackedType notPacked = BinaryenPackedTypeNotPacked();
  printf("BinaryenPackedTypeNotPacked: %d\n", notPacked);
  BinaryenPackedType i8 = BinaryenPackedTypeInt8();
  printf("BinaryenPackedTypeInt8: %d\n", i8);
  BinaryenPackedType i16 = BinaryenPackedTypeInt16();
  printf("BinaryenPackedTypeInt16: %d\n", i16);

  printf("BinaryenHeapTypeExt: %zd\n", BinaryenHeapTypeExt());
  printf("BinaryenHeapTypeFunc: %zd\n", BinaryenHeapTypeFunc());
  printf("BinaryenHeapTypeAny: %zd\n", BinaryenHeapTypeAny());
  printf("BinaryenHeapTypeEq: %zd\n", BinaryenHeapTypeEq());
  printf("BinaryenHeapTypeI31: %zd\n", BinaryenHeapTypeI31());
  printf("BinaryenHeapTypeStruct: %zd\n", BinaryenHeapTypeStruct());
  printf("BinaryenHeapTypeArray: %zd\n", BinaryenHeapTypeArray());
  printf("BinaryenHeapTypeString: %zd\n", BinaryenHeapTypeString());
  printf("BinaryenHeapTypeNone: %zd\n", BinaryenHeapTypeNone());
  printf("BinaryenHeapTypeNoext: %zd\n", BinaryenHeapTypeNoext());
  printf("BinaryenHeapTypeNofunc: %zd\n", BinaryenHeapTypeNofunc());

  assert(!BinaryenHeapTypeIsBottom(BinaryenHeapTypeExt()));
  assert(BinaryenHeapTypeIsBottom(BinaryenHeapTypeNoext()));
  assert(BinaryenHeapTypeGetBottom(BinaryenHeapTypeExt()) ==
         BinaryenHeapTypeNoext());

  BinaryenHeapType eq = BinaryenTypeGetHeapType(eqref);
  assert(eq == BinaryenHeapTypeEq());
  BinaryenType ref_null_eq = BinaryenTypeFromHeapType(eq, true);
  assert(BinaryenTypeGetHeapType(ref_null_eq) == eq);
  assert(BinaryenTypeIsNullable(ref_null_eq));
  BinaryenType ref_eq = BinaryenTypeFromHeapType(eq, false);
  assert(ref_eq != ref_null_eq);
  assert(BinaryenTypeGetHeapType(ref_eq) == eq);
  assert(!BinaryenTypeIsNullable(ref_eq));
}

void test_features() {
  printf("BinaryenFeatureMVP: %d\n", BinaryenFeatureMVP());
  printf("BinaryenFeatureAtomics: %d\n", BinaryenFeatureAtomics());
  printf("BinaryenFeatureBulkMemory: %d\n", BinaryenFeatureBulkMemory());
  printf("BinaryenFeatureMutableGlobals: %d\n",
         BinaryenFeatureMutableGlobals());
  printf("BinaryenFeatureNontrappingFPToInt: %d\n",
         BinaryenFeatureNontrappingFPToInt());
  printf("BinaryenFeatureSignExt: %d\n", BinaryenFeatureSignExt());
  printf("BinaryenFeatureSIMD128: %d\n", BinaryenFeatureSIMD128());
  printf("BinaryenFeatureExceptionHandling: %d\n",
         BinaryenFeatureExceptionHandling());
  printf("BinaryenFeatureTailCall: %d\n", BinaryenFeatureTailCall());
  printf("BinaryenFeatureReferenceTypes: %d\n",
         BinaryenFeatureReferenceTypes());
  printf("BinaryenFeatureMultivalue: %d\n", BinaryenFeatureMultivalue());
  printf("BinaryenFeatureGC: %d\n", BinaryenFeatureGC());
  printf("BinaryenFeatureMemory64: %d\n", BinaryenFeatureMemory64());
  printf("BinaryenFeatureRelaxedSIMD: %d\n", BinaryenFeatureRelaxedSIMD());
  printf("BinaryenFeatureExtendedConst: %d\n", BinaryenFeatureExtendedConst());
  printf("BinaryenFeatureStrings: %d\n", BinaryenFeatureStrings());
  printf("BinaryenFeatureAll: %d\n", BinaryenFeatureAll());
}

void test_read_with_feature() {
  BinaryenModuleRef module = BinaryenModuleCreate();
  // Having multiple tables makes this module inherently not MVP compatible
  // and requires the externref feature enabled to parse successfully.
  BinaryenAddTable(module, "tab", 0, 100, BinaryenTypeFuncref());
  BinaryenAddTable(module, "tab2", 0, 100, BinaryenTypeFuncref());

  BinaryenFeatures features =
    BinaryenFeatureMVP() | BinaryenFeatureReferenceTypes();
  BinaryenModuleSetFeatures(module, features);

  size_t bufferSize = 1024;
  char* buffer = malloc(bufferSize);
  size_t written = BinaryenModuleWrite(module, buffer, bufferSize);
  BinaryenModuleDispose(module);

  // See we can read the bytes and get a valid module from there.
  BinaryenModuleRef readModule =
    BinaryenModuleReadWithFeatures(buffer, written, features);
  int valid = BinaryenModuleValidate(readModule);
  assert(valid);
  BinaryenModuleDispose(readModule);

  free(buffer);
}

void test_core() {

  // Module creation

  BinaryenModuleRef module = BinaryenModuleCreate();

  // Literals and consts

  BinaryenExpressionRef
    constI32 = BinaryenConst(module, BinaryenLiteralInt32(1)),
    constI64 = BinaryenConst(module, BinaryenLiteralInt64(2)),
    constF32 = BinaryenConst(module, BinaryenLiteralFloat32(3.14f)),
    constF64 = BinaryenConst(module, BinaryenLiteralFloat64(2.1828)),
    constF32Bits =
      BinaryenConst(module, BinaryenLiteralFloat32Bits(0xffff1234)),
    constF64Bits =
      BinaryenConst(module, BinaryenLiteralFloat64Bits(0xffff12345678abcdLL)),
    constV128 = BinaryenConst(module, BinaryenLiteralVec128(v128_bytes));

  const char* switchValueNames[] = {"the-value"};
  const char* switchBodyNames[] = {"the-nothing"};

  BinaryenExpressionRef callOperands2[] = {makeInt32(module, 13),
                                           makeFloat64(module, 3.7)};
  BinaryenExpressionRef callOperands4[] = {makeInt32(module, 13),
                                           makeInt64(module, 37),
                                           makeFloat32(module, 1.3f),
                                           makeFloat64(module, 3.7)};
  BinaryenExpressionRef callOperands4b[] = {makeInt32(module, 13),
                                            makeInt64(module, 37),
                                            makeFloat32(module, 1.3f),
                                            makeFloat64(module, 3.7)};
  BinaryenExpressionRef tupleElements4a[] = {makeInt32(module, 13),
                                             makeInt64(module, 37),
                                             makeFloat32(module, 1.3f),
                                             makeFloat64(module, 3.7)};
  BinaryenExpressionRef tupleElements4b[] = {makeInt32(module, 13),
                                             makeInt64(module, 37),
                                             makeFloat32(module, 1.3f),
                                             makeFloat64(module, 3.7)};

  BinaryenType iIfF_[4] = {BinaryenTypeInt32(),
                           BinaryenTypeInt64(),
                           BinaryenTypeFloat32(),
                           BinaryenTypeFloat64()};
  BinaryenType iIfF = BinaryenTypeCreate(iIfF_, 4);

  TypeBuilderRef typeBuilder = TypeBuilderCreate(1);
  TypeBuilderSetSignatureType(typeBuilder, 0, iIfF, BinaryenTypeInt32());
  BinaryenHeapType kitchenSinkerType;
  bool builtType =
    TypeBuilderBuildAndDispose(typeBuilder, &kitchenSinkerType, NULL, NULL);
  assert(builtType);
  BinaryenType kitchenSinkerRefType =
    BinaryenTypeFromHeapType(kitchenSinkerType, false);

  BinaryenExpressionRef temp1 = makeInt32(module, 1),
                        temp2 = makeInt32(module, 2),
                        temp3 = makeInt32(module, 3),
                        temp4 = makeInt32(module, 4),
                        temp5 = makeInt32(module, 5),
                        temp6 = makeInt32(module, 0),
                        temp7 = makeInt32(module, 1),
                        temp8 = makeInt32(module, 0),
                        temp9 = makeInt32(module, 1),
                        temp10 = makeInt32(module, 1),
                        temp11 = makeInt32(module, 3),
                        temp12 = makeInt32(module, 5),
                        temp13 = makeInt32(module, 10),
                        temp14 = makeInt32(module, 11),
                        temp15 = makeInt32(module, 110),
                        temp16 = makeInt64(module, 111);
  BinaryenExpressionRef externrefExpr =
    BinaryenRefNull(module, BinaryenTypeNullExternref());
  BinaryenExpressionRef funcrefExpr =
    BinaryenRefNull(module, BinaryenTypeNullFuncref());
  funcrefExpr =
    BinaryenRefFunc(module, "kitchen()sinker", kitchenSinkerRefType);
  BinaryenExpressionRef i31refExpr =
    BinaryenRefI31(module, makeInt32(module, 1));

  // Tags
  BinaryenAddTag(module, "a-tag", BinaryenTypeInt32(), BinaryenTypeNone());

  BinaryenAddTable(module, "tab", 0, 100, BinaryenTypeFuncref());

  // Exception handling

  // (try
  //   (do
  //     (throw $a-tag (i32.const 0))
  //   )
  //   (catch $a-tag
  //     (drop (i32 pop))
  //   )
  //   (catch_all)
  // )
  BinaryenExpressionRef tryBody = BinaryenThrow(
    module, "a-tag", (BinaryenExpressionRef[]){makeInt32(module, 0)}, 1);
  BinaryenExpressionRef catchBody =
    BinaryenDrop(module, BinaryenPop(module, BinaryenTypeInt32()));
  BinaryenExpressionRef catchAllBody = BinaryenNop(module);
  const char* catchTags[] = {"a-tag"};
  BinaryenExpressionRef catchBodies[] = {catchBody, catchAllBody};
  const char* emptyCatchTags[] = {};
  BinaryenExpressionRef emptyCatchBodies[] = {};
  BinaryenExpressionRef nopCatchBody[] = {BinaryenNop(module)};

  BinaryenType i32 = BinaryenTypeInt32();
  BinaryenType i64 = BinaryenTypeInt64();
  BinaryenType f32 = BinaryenTypeFloat32();
  BinaryenType f64 = BinaryenTypeFloat64();
  BinaryenType v128 = BinaryenTypeVec128();
  BinaryenType i8Array;
  BinaryenType i16Array;
  BinaryenType funcArray;
  BinaryenType i32Struct;
  {
    TypeBuilderRef tb = TypeBuilderCreate(4);
    TypeBuilderSetArrayType(
      tb, 0, BinaryenTypeInt32(), BinaryenPackedTypeInt8(), true);
    TypeBuilderSetArrayType(
      tb, 1, BinaryenTypeInt32(), BinaryenPackedTypeInt16(), true);
    TypeBuilderSetArrayType(
      tb, 2, BinaryenTypeFuncref(), BinaryenPackedTypeNotPacked(), true);
    TypeBuilderSetStructType(
      tb,
      3,
      (BinaryenType[]){BinaryenTypeInt32()},
      (BinaryenPackedType[]){BinaryenPackedTypeNotPacked()},
      (bool[]){true},
      1);
    BinaryenHeapType builtHeapTypes[4];
    TypeBuilderBuildAndDispose(tb, (BinaryenHeapType*)&builtHeapTypes, 0, 0);
    i8Array = BinaryenTypeFromHeapType(builtHeapTypes[0], true);
    i16Array = BinaryenTypeFromHeapType(builtHeapTypes[1], true);
    funcArray = BinaryenTypeFromHeapType(builtHeapTypes[2], true);
    i32Struct = BinaryenTypeFromHeapType(builtHeapTypes[3], true);
  }

  // Memory. Add it before creating any memory-using instructions.

  const char* segmentNames[] = {"0", "1"};
  const char* segmentDatas[] = {"hello, world", "I am passive"};
  bool segmentPassives[] = {false, true};
  BinaryenExpressionRef segmentOffsets[] = {
    BinaryenConst(module, BinaryenLiteralInt32(10)), NULL};
  BinaryenIndex segmentSizes[] = {12, 12};
  BinaryenSetMemory(module,
                    1,
                    256,
                    "mem",
                    segmentNames,
                    segmentDatas,
                    segmentPassives,
                    segmentOffsets,
                    segmentSizes,
                    2,
                    1,
                    0,
                    "0");
  BinaryenAddDataSegment(module, NULL, NULL, true, NULL, "data segment 2", 14);
  BinaryenAddDataSegment(module,
                         "seg",
                         "0",
                         false,
                         BinaryenConst(module, BinaryenLiteralInt32(0)),
                         "data segment 3",
                         14);

  BinaryenExpressionRef valueList[] = {
    // Unary
    makeUnary(module, BinaryenClzInt32(), i32),
    makeUnary(module, BinaryenCtzInt64(), i64),
    makeUnary(module, BinaryenPopcntInt32(), i32),
    makeUnary(module, BinaryenNegFloat32(), f32),
    makeUnary(module, BinaryenAbsFloat64(), f64),
    makeUnary(module, BinaryenCeilFloat32(), f32),
    makeUnary(module, BinaryenFloorFloat64(), f64),
    makeUnary(module, BinaryenTruncFloat32(), f32),
    makeUnary(module, BinaryenNearestFloat32(), f32),
    makeUnary(module, BinaryenSqrtFloat64(), f64),
    makeUnary(module, BinaryenEqZInt32(), i32),
    makeUnary(module, BinaryenExtendSInt32(), i32),
    makeUnary(module, BinaryenExtendUInt32(), i32),
    makeUnary(module, BinaryenWrapInt64(), i64),
    makeUnary(module, BinaryenTruncSFloat32ToInt32(), f32),
    makeUnary(module, BinaryenTruncSFloat32ToInt64(), f32),
    makeUnary(module, BinaryenTruncUFloat32ToInt32(), f32),
    makeUnary(module, BinaryenTruncUFloat32ToInt64(), f32),
    makeUnary(module, BinaryenTruncSFloat64ToInt32(), f64),
    makeUnary(module, BinaryenTruncSFloat64ToInt64(), f64),
    makeUnary(module, BinaryenTruncUFloat64ToInt32(), f64),
    makeUnary(module, BinaryenTruncUFloat64ToInt64(), f64),
    makeUnary(module, BinaryenTruncSatSFloat32ToInt32(), f32),
    makeUnary(module, BinaryenTruncSatSFloat32ToInt64(), f32),
    makeUnary(module, BinaryenTruncSatUFloat32ToInt32(), f32),
    makeUnary(module, BinaryenTruncSatUFloat32ToInt64(), f32),
    makeUnary(module, BinaryenTruncSatSFloat64ToInt32(), f64),
    makeUnary(module, BinaryenTruncSatSFloat64ToInt64(), f64),
    makeUnary(module, BinaryenTruncSatUFloat64ToInt32(), f64),
    makeUnary(module, BinaryenTruncSatUFloat64ToInt64(), f64),
    makeUnary(module, BinaryenReinterpretFloat32(), f32),
    makeUnary(module, BinaryenReinterpretFloat64(), f64),
    makeUnary(module, BinaryenConvertSInt32ToFloat32(), i32),
    makeUnary(module, BinaryenConvertSInt32ToFloat64(), i32),
    makeUnary(module, BinaryenConvertUInt32ToFloat32(), i32),
    makeUnary(module, BinaryenConvertUInt32ToFloat64(), i32),
    makeUnary(module, BinaryenConvertSInt64ToFloat32(), i64),
    makeUnary(module, BinaryenConvertSInt64ToFloat64(), i64),
    makeUnary(module, BinaryenConvertUInt64ToFloat32(), i64),
    makeUnary(module, BinaryenConvertUInt64ToFloat64(), i64),
    makeUnary(module, BinaryenPromoteFloat32(), f32),
    makeUnary(module, BinaryenDemoteFloat64(), f64),
    makeUnary(module, BinaryenReinterpretInt32(), i32),
    makeUnary(module, BinaryenReinterpretInt64(), i64),
    makeUnary(module, BinaryenSplatVecI8x16(), i32),
    makeUnary(module, BinaryenSplatVecI16x8(), i32),
    makeUnary(module, BinaryenSplatVecI32x4(), i32),
    makeUnary(module, BinaryenSplatVecI64x2(), i64),
    makeUnary(module, BinaryenSplatVecF32x4(), f32),
    makeUnary(module, BinaryenSplatVecF64x2(), f64),
    makeUnary(module, BinaryenNotVec128(), v128),
    makeUnary(module, BinaryenAnyTrueVec128(), v128),
    makeUnary(module, BinaryenPopcntVecI8x16(), v128),
    makeUnary(module, BinaryenAbsVecI8x16(), v128),
    makeUnary(module, BinaryenNegVecI8x16(), v128),
    makeUnary(module, BinaryenAllTrueVecI8x16(), v128),
    makeUnary(module, BinaryenBitmaskVecI8x16(), v128),
    makeUnary(module, BinaryenAbsVecI16x8(), v128),
    makeUnary(module, BinaryenNegVecI16x8(), v128),
    makeUnary(module, BinaryenAllTrueVecI16x8(), v128),
    makeUnary(module, BinaryenBitmaskVecI16x8(), v128),
    makeUnary(module, BinaryenAbsVecI32x4(), v128),
    makeUnary(module, BinaryenNegVecI32x4(), v128),
    makeUnary(module, BinaryenAllTrueVecI32x4(), v128),
    makeUnary(module, BinaryenBitmaskVecI32x4(), v128),
    makeUnary(module, BinaryenAbsVecI64x2(), v128),
    makeUnary(module, BinaryenNegVecI64x2(), v128),
    makeUnary(module, BinaryenAllTrueVecI64x2(), v128),
    makeUnary(module, BinaryenBitmaskVecI64x2(), v128),
    makeUnary(module, BinaryenAbsVecF32x4(), v128),
    makeUnary(module, BinaryenNegVecF32x4(), v128),
    makeUnary(module, BinaryenSqrtVecF32x4(), v128),
    makeUnary(module, BinaryenAbsVecF64x2(), v128),
    makeUnary(module, BinaryenNegVecF64x2(), v128),
    makeUnary(module, BinaryenSqrtVecF64x2(), v128),
    makeUnary(module, BinaryenTruncSatSVecF32x4ToVecI32x4(), v128),
    makeUnary(module, BinaryenTruncSatUVecF32x4ToVecI32x4(), v128),
    makeUnary(module, BinaryenConvertSVecI32x4ToVecF32x4(), v128),
    makeUnary(module, BinaryenConvertUVecI32x4ToVecF32x4(), v128),
    makeUnary(module, BinaryenExtendLowSVecI8x16ToVecI16x8(), v128),
    makeUnary(module, BinaryenExtendHighSVecI8x16ToVecI16x8(), v128),
    makeUnary(module, BinaryenExtendLowUVecI8x16ToVecI16x8(), v128),
    makeUnary(module, BinaryenExtendHighUVecI8x16ToVecI16x8(), v128),
    makeUnary(module, BinaryenExtendLowSVecI16x8ToVecI32x4(), v128),
    makeUnary(module, BinaryenExtendHighSVecI16x8ToVecI32x4(), v128),
    makeUnary(module, BinaryenExtendLowUVecI16x8ToVecI32x4(), v128),
    makeUnary(module, BinaryenExtendHighUVecI16x8ToVecI32x4(), v128),
    makeUnary(module, BinaryenExtendLowSVecI32x4ToVecI64x2(), v128),
    makeUnary(module, BinaryenExtendHighSVecI32x4ToVecI64x2(), v128),
    makeUnary(module, BinaryenExtendLowUVecI32x4ToVecI64x2(), v128),
    makeUnary(module, BinaryenExtendHighUVecI32x4ToVecI64x2(), v128),
    makeUnary(module, BinaryenConvertLowSVecI32x4ToVecF64x2(), v128),
    makeUnary(module, BinaryenConvertLowUVecI32x4ToVecF64x2(), v128),
    makeUnary(module, BinaryenTruncSatZeroSVecF64x2ToVecI32x4(), v128),
    makeUnary(module, BinaryenTruncSatZeroUVecF64x2ToVecI32x4(), v128),
    makeUnary(module, BinaryenDemoteZeroVecF64x2ToVecF32x4(), v128),
    makeUnary(module, BinaryenPromoteLowVecF32x4ToVecF64x2(), v128),
    makeUnary(module, BinaryenRelaxedTruncSVecF32x4ToVecI32x4(), v128),
    makeUnary(module, BinaryenRelaxedTruncUVecF32x4ToVecI32x4(), v128),
    makeUnary(module, BinaryenRelaxedTruncZeroSVecF64x2ToVecI32x4(), v128),
    makeUnary(module, BinaryenRelaxedTruncZeroUVecF64x2ToVecI32x4(), v128),
    // Binary
    makeBinary(module, BinaryenAddInt32(), i32),
    makeBinary(module, BinaryenSubFloat64(), f64),
    makeBinary(module, BinaryenDivSInt32(), i32),
    makeBinary(module, BinaryenDivUInt64(), i64),
    makeBinary(module, BinaryenRemSInt64(), i64),
    makeBinary(module, BinaryenRemUInt32(), i32),
    makeBinary(module, BinaryenAndInt32(), i32),
    makeBinary(module, BinaryenOrInt64(), i64),
    makeBinary(module, BinaryenXorInt32(), i32),
    makeBinary(module, BinaryenShlInt64(), i64),
    makeBinary(module, BinaryenShrUInt64(), i64),
    makeBinary(module, BinaryenShrSInt32(), i32),
    makeBinary(module, BinaryenRotLInt32(), i32),
    makeBinary(module, BinaryenRotRInt64(), i64),
    makeBinary(module, BinaryenDivFloat32(), f32),
    makeBinary(module, BinaryenCopySignFloat64(), f64),
    makeBinary(module, BinaryenMinFloat32(), f32),
    makeBinary(module, BinaryenMaxFloat64(), f64),
    makeBinary(module, BinaryenEqInt32(), i32),
    makeBinary(module, BinaryenNeFloat32(), f32),
    makeBinary(module, BinaryenLtSInt32(), i32),
    makeBinary(module, BinaryenLtUInt64(), i64),
    makeBinary(module, BinaryenLeSInt64(), i64),
    makeBinary(module, BinaryenLeUInt32(), i32),
    makeBinary(module, BinaryenGtSInt64(), i64),
    makeBinary(module, BinaryenGtUInt32(), i32),
    makeBinary(module, BinaryenGeSInt32(), i32),
    makeBinary(module, BinaryenGeUInt64(), i64),
    makeBinary(module, BinaryenLtFloat32(), f32),
    makeBinary(module, BinaryenLeFloat64(), f64),
    makeBinary(module, BinaryenGtFloat64(), f64),
    makeBinary(module, BinaryenGeFloat32(), f32),
    makeBinary(module, BinaryenEqVecI8x16(), v128),
    makeBinary(module, BinaryenNeVecI8x16(), v128),
    makeBinary(module, BinaryenLtSVecI8x16(), v128),
    makeBinary(module, BinaryenLtUVecI8x16(), v128),
    makeBinary(module, BinaryenGtSVecI8x16(), v128),
    makeBinary(module, BinaryenGtUVecI8x16(), v128),
    makeBinary(module, BinaryenLeSVecI8x16(), v128),
    makeBinary(module, BinaryenLeUVecI8x16(), v128),
    makeBinary(module, BinaryenGeSVecI8x16(), v128),
    makeBinary(module, BinaryenGeUVecI8x16(), v128),
    makeBinary(module, BinaryenEqVecI16x8(), v128),
    makeBinary(module, BinaryenNeVecI16x8(), v128),
    makeBinary(module, BinaryenLtSVecI16x8(), v128),
    makeBinary(module, BinaryenLtUVecI16x8(), v128),
    makeBinary(module, BinaryenGtSVecI16x8(), v128),
    makeBinary(module, BinaryenGtUVecI16x8(), v128),
    makeBinary(module, BinaryenLeSVecI16x8(), v128),
    makeBinary(module, BinaryenLeUVecI16x8(), v128),
    makeBinary(module, BinaryenGeSVecI16x8(), v128),
    makeBinary(module, BinaryenGeUVecI16x8(), v128),
    makeBinary(module, BinaryenEqVecI32x4(), v128),
    makeBinary(module, BinaryenNeVecI32x4(), v128),
    makeBinary(module, BinaryenLtSVecI32x4(), v128),
    makeBinary(module, BinaryenLtUVecI32x4(), v128),
    makeBinary(module, BinaryenGtSVecI32x4(), v128),
    makeBinary(module, BinaryenGtUVecI32x4(), v128),
    makeBinary(module, BinaryenLeSVecI32x4(), v128),
    makeBinary(module, BinaryenLeUVecI32x4(), v128),
    makeBinary(module, BinaryenGeSVecI32x4(), v128),
    makeBinary(module, BinaryenGeUVecI32x4(), v128),
    makeBinary(module, BinaryenEqVecI64x2(), v128),
    makeBinary(module, BinaryenNeVecI64x2(), v128),
    makeBinary(module, BinaryenLtSVecI64x2(), v128),
    makeBinary(module, BinaryenGtSVecI64x2(), v128),
    makeBinary(module, BinaryenLeSVecI64x2(), v128),
    makeBinary(module, BinaryenGeSVecI64x2(), v128),
    makeBinary(module, BinaryenEqVecF32x4(), v128),
    makeBinary(module, BinaryenNeVecF32x4(), v128),
    makeBinary(module, BinaryenLtVecF32x4(), v128),
    makeBinary(module, BinaryenGtVecF32x4(), v128),
    makeBinary(module, BinaryenLeVecF32x4(), v128),
    makeBinary(module, BinaryenGeVecF32x4(), v128),
    makeBinary(module, BinaryenEqVecF64x2(), v128),
    makeBinary(module, BinaryenNeVecF64x2(), v128),
    makeBinary(module, BinaryenLtVecF64x2(), v128),
    makeBinary(module, BinaryenGtVecF64x2(), v128),
    makeBinary(module, BinaryenLeVecF64x2(), v128),
    makeBinary(module, BinaryenGeVecF64x2(), v128),
    makeBinary(module, BinaryenAndVec128(), v128),
    makeBinary(module, BinaryenOrVec128(), v128),
    makeBinary(module, BinaryenXorVec128(), v128),
    makeBinary(module, BinaryenAndNotVec128(), v128),
    makeBinary(module, BinaryenAddVecI8x16(), v128),
    makeBinary(module, BinaryenAddSatSVecI8x16(), v128),
    makeBinary(module, BinaryenAddSatUVecI8x16(), v128),
    makeBinary(module, BinaryenSubVecI8x16(), v128),
    makeBinary(module, BinaryenSubSatSVecI8x16(), v128),
    makeBinary(module, BinaryenSubSatUVecI8x16(), v128),
    makeBinary(module, BinaryenMinSVecI8x16(), v128),
    makeBinary(module, BinaryenMinUVecI8x16(), v128),
    makeBinary(module, BinaryenMaxSVecI8x16(), v128),
    makeBinary(module, BinaryenMaxUVecI8x16(), v128),
    makeBinary(module, BinaryenAvgrUVecI8x16(), v128),
    makeBinary(module, BinaryenAddVecI16x8(), v128),
    makeBinary(module, BinaryenAddSatSVecI16x8(), v128),
    makeBinary(module, BinaryenAddSatUVecI16x8(), v128),
    makeBinary(module, BinaryenSubVecI16x8(), v128),
    makeBinary(module, BinaryenSubSatSVecI16x8(), v128),
    makeBinary(module, BinaryenSubSatUVecI16x8(), v128),
    makeBinary(module, BinaryenMulVecI16x8(), v128),
    makeBinary(module, BinaryenMinSVecI16x8(), v128),
    makeBinary(module, BinaryenMinUVecI16x8(), v128),
    makeBinary(module, BinaryenMaxSVecI16x8(), v128),
    makeBinary(module, BinaryenMaxUVecI16x8(), v128),
    makeBinary(module, BinaryenAvgrUVecI16x8(), v128),
    makeBinary(module, BinaryenQ15MulrSatSVecI16x8(), v128),
    makeBinary(module, BinaryenExtMulLowSVecI16x8(), v128),
    makeBinary(module, BinaryenExtMulHighSVecI16x8(), v128),
    makeBinary(module, BinaryenExtMulLowUVecI16x8(), v128),
    makeBinary(module, BinaryenExtMulHighUVecI16x8(), v128),
    makeBinary(module, BinaryenAddVecI32x4(), v128),
    makeBinary(module, BinaryenSubVecI32x4(), v128),
    makeBinary(module, BinaryenMulVecI32x4(), v128),
    makeBinary(module, BinaryenAddVecI64x2(), v128),
    makeBinary(module, BinaryenSubVecI64x2(), v128),
    makeBinary(module, BinaryenMulVecI64x2(), v128),
    makeBinary(module, BinaryenExtMulLowSVecI64x2(), v128),
    makeBinary(module, BinaryenExtMulHighSVecI64x2(), v128),
    makeBinary(module, BinaryenExtMulLowUVecI64x2(), v128),
    makeBinary(module, BinaryenExtMulHighUVecI64x2(), v128),
    makeBinary(module, BinaryenAddVecF32x4(), v128),
    makeBinary(module, BinaryenSubVecF32x4(), v128),
    makeBinary(module, BinaryenMulVecF32x4(), v128),
    makeBinary(module, BinaryenMinSVecI32x4(), v128),
    makeBinary(module, BinaryenMinUVecI32x4(), v128),
    makeBinary(module, BinaryenMaxSVecI32x4(), v128),
    makeBinary(module, BinaryenMaxUVecI32x4(), v128),
    makeBinary(module, BinaryenDotSVecI16x8ToVecI32x4(), v128),
    makeBinary(module, BinaryenExtMulLowSVecI32x4(), v128),
    makeBinary(module, BinaryenExtMulHighSVecI32x4(), v128),
    makeBinary(module, BinaryenExtMulLowUVecI32x4(), v128),
    makeBinary(module, BinaryenExtMulHighUVecI32x4(), v128),
    makeBinary(module, BinaryenDivVecF32x4(), v128),
    makeBinary(module, BinaryenMinVecF32x4(), v128),
    makeBinary(module, BinaryenMaxVecF32x4(), v128),
    makeBinary(module, BinaryenPMinVecF32x4(), v128),
    makeBinary(module, BinaryenPMaxVecF32x4(), v128),
    makeUnary(module, BinaryenCeilVecF32x4(), v128),
    makeUnary(module, BinaryenFloorVecF32x4(), v128),
    makeUnary(module, BinaryenTruncVecF32x4(), v128),
    makeUnary(module, BinaryenNearestVecF32x4(), v128),
    makeBinary(module, BinaryenAddVecF64x2(), v128),
    makeBinary(module, BinaryenSubVecF64x2(), v128),
    makeBinary(module, BinaryenMulVecF64x2(), v128),
    makeBinary(module, BinaryenDivVecF64x2(), v128),
    makeBinary(module, BinaryenMinVecF64x2(), v128),
    makeBinary(module, BinaryenMaxVecF64x2(), v128),
    makeBinary(module, BinaryenPMinVecF64x2(), v128),
    makeBinary(module, BinaryenPMaxVecF64x2(), v128),
    makeUnary(module, BinaryenCeilVecF64x2(), v128),
    makeUnary(module, BinaryenFloorVecF64x2(), v128),
    makeUnary(module, BinaryenTruncVecF64x2(), v128),
    makeUnary(module, BinaryenNearestVecF64x2(), v128),
    makeUnary(module, BinaryenExtAddPairwiseSVecI8x16ToI16x8(), v128),
    makeUnary(module, BinaryenExtAddPairwiseUVecI8x16ToI16x8(), v128),
    makeUnary(module, BinaryenExtAddPairwiseSVecI16x8ToI32x4(), v128),
    makeUnary(module, BinaryenExtAddPairwiseUVecI16x8ToI32x4(), v128),
    makeBinary(module, BinaryenNarrowSVecI16x8ToVecI8x16(), v128),
    makeBinary(module, BinaryenNarrowUVecI16x8ToVecI8x16(), v128),
    makeBinary(module, BinaryenNarrowSVecI32x4ToVecI16x8(), v128),
    makeBinary(module, BinaryenNarrowUVecI32x4ToVecI16x8(), v128),
    makeBinary(module, BinaryenSwizzleVecI8x16(), v128),
    makeBinary(module, BinaryenRelaxedSwizzleVecI8x16(), v128),
    makeBinary(module, BinaryenRelaxedMinVecF32x4(), v128),
    makeBinary(module, BinaryenRelaxedMaxVecF32x4(), v128),
    makeBinary(module, BinaryenRelaxedMinVecF64x2(), v128),
    makeBinary(module, BinaryenRelaxedMaxVecF64x2(), v128),
    makeBinary(module, BinaryenRelaxedQ15MulrSVecI16x8(), v128),
    makeBinary(module, BinaryenDotI8x16I7x16SToVecI16x8(), v128),
    // SIMD lane manipulation
    makeSIMDExtract(module, BinaryenExtractLaneSVecI8x16()),
    makeSIMDExtract(module, BinaryenExtractLaneUVecI8x16()),
    makeSIMDExtract(module, BinaryenExtractLaneSVecI16x8()),
    makeSIMDExtract(module, BinaryenExtractLaneUVecI16x8()),
    makeSIMDExtract(module, BinaryenExtractLaneVecI32x4()),
    makeSIMDExtract(module, BinaryenExtractLaneVecI64x2()),
    makeSIMDExtract(module, BinaryenExtractLaneVecF32x4()),
    makeSIMDExtract(module, BinaryenExtractLaneVecF64x2()),
    makeSIMDReplace(module, BinaryenReplaceLaneVecI8x16(), i32),
    makeSIMDReplace(module, BinaryenReplaceLaneVecI16x8(), i32),
    makeSIMDReplace(module, BinaryenReplaceLaneVecI32x4(), i32),
    makeSIMDReplace(module, BinaryenReplaceLaneVecI64x2(), i64),
    makeSIMDReplace(module, BinaryenReplaceLaneVecF32x4(), f32),
    makeSIMDReplace(module, BinaryenReplaceLaneVecF64x2(), f64),
    // SIMD shift
    makeSIMDShift(module, BinaryenShlVecI8x16()),
    makeSIMDShift(module, BinaryenShrSVecI8x16()),
    makeSIMDShift(module, BinaryenShrUVecI8x16()),
    makeSIMDShift(module, BinaryenShlVecI16x8()),
    makeSIMDShift(module, BinaryenShrSVecI16x8()),
    makeSIMDShift(module, BinaryenShrUVecI16x8()),
    makeSIMDShift(module, BinaryenShlVecI32x4()),
    makeSIMDShift(module, BinaryenShrSVecI32x4()),
    makeSIMDShift(module, BinaryenShrUVecI32x4()),
    makeSIMDShift(module, BinaryenShlVecI64x2()),
    makeSIMDShift(module, BinaryenShrSVecI64x2()),
    makeSIMDShift(module, BinaryenShrUVecI64x2()),
    // SIMD load
    BinaryenSIMDLoad(
      module, BinaryenLoad8SplatVec128(), 0, 1, makeInt32(module, 128), "0"),
    BinaryenSIMDLoad(
      module, BinaryenLoad16SplatVec128(), 16, 1, makeInt32(module, 128), "0"),
    BinaryenSIMDLoad(
      module, BinaryenLoad32SplatVec128(), 16, 4, makeInt32(module, 128), "0"),
    BinaryenSIMDLoad(
      module, BinaryenLoad64SplatVec128(), 0, 4, makeInt32(module, 128), "0"),
    BinaryenSIMDLoad(
      module, BinaryenLoad8x8SVec128(), 0, 8, makeInt32(module, 128), "0"),
    BinaryenSIMDLoad(
      module, BinaryenLoad8x8UVec128(), 0, 8, makeInt32(module, 128), "0"),
    BinaryenSIMDLoad(
      module, BinaryenLoad16x4SVec128(), 0, 8, makeInt32(module, 128), "0"),
    BinaryenSIMDLoad(
      module, BinaryenLoad16x4UVec128(), 0, 8, makeInt32(module, 128), "0"),
    BinaryenSIMDLoad(
      module, BinaryenLoad32x2SVec128(), 0, 8, makeInt32(module, 128), "0"),
    BinaryenSIMDLoad(
      module, BinaryenLoad32x2UVec128(), 0, 8, makeInt32(module, 128), "0"),
    BinaryenSIMDLoad(
      module, BinaryenLoad32ZeroVec128(), 0, 4, makeInt32(module, 128), "0"),
    BinaryenSIMDLoad(
      module, BinaryenLoad64ZeroVec128(), 0, 8, makeInt32(module, 128), "0"),
    // SIMD load/store lane
    BinaryenSIMDLoadStoreLane(module,
                              BinaryenLoad8LaneVec128(),
                              0,
                              1,
                              0,
                              makeInt32(module, 128),
                              makeVec128(module, v128_bytes),
                              "0"),
    BinaryenSIMDLoadStoreLane(module,
                              BinaryenLoad16LaneVec128(),
                              0,
                              2,
                              0,
                              makeInt32(module, 128),
                              makeVec128(module, v128_bytes),
                              "0"),
    BinaryenSIMDLoadStoreLane(module,
                              BinaryenLoad32LaneVec128(),
                              0,
                              4,
                              0,
                              makeInt32(module, 128),
                              makeVec128(module, v128_bytes),
                              "0"),
    BinaryenSIMDLoadStoreLane(module,
                              BinaryenLoad64LaneVec128(),
                              0,
                              8,
                              0,
                              makeInt32(module, 128),
                              makeVec128(module, v128_bytes),
                              "0"),
    BinaryenSIMDLoadStoreLane(module,
                              BinaryenStore8LaneVec128(),
                              0,
                              1,
                              0,
                              makeInt32(module, 128),
                              makeVec128(module, v128_bytes),
                              "0"),
    BinaryenSIMDLoadStoreLane(module,
                              BinaryenStore16LaneVec128(),
                              0,
                              2,
                              0,
                              makeInt32(module, 128),
                              makeVec128(module, v128_bytes),
                              "0"),
    BinaryenSIMDLoadStoreLane(module,
                              BinaryenStore32LaneVec128(),
                              0,
                              4,
                              0,
                              makeInt32(module, 128),
                              makeVec128(module, v128_bytes),
                              "0"),
    BinaryenSIMDLoadStoreLane(module,
                              BinaryenStore64LaneVec128(),
                              0,
                              8,
                              0,
                              makeInt32(module, 128),
                              makeVec128(module, v128_bytes),
                              "0"),
    // Other SIMD
    makeSIMDShuffle(module),
    makeSIMDTernary(module, BinaryenBitselectVec128()),
    makeSIMDTernary(module, BinaryenRelaxedMaddVecF32x4()),
    makeSIMDTernary(module, BinaryenRelaxedNmaddVecF32x4()),
    makeSIMDTernary(module, BinaryenRelaxedMaddVecF64x2()),
    makeSIMDTernary(module, BinaryenRelaxedNmaddVecF64x2()),
    makeSIMDTernary(module, BinaryenLaneselectI8x16()),
    makeSIMDTernary(module, BinaryenLaneselectI16x8()),
    makeSIMDTernary(module, BinaryenLaneselectI32x4()),
    makeSIMDTernary(module, BinaryenLaneselectI64x2()),
    makeSIMDTernary(module, BinaryenDotI8x16I7x16AddSToVecI32x4()),
    // Bulk memory
    makeMemoryInit(module),
    makeDataDrop(module),
    makeMemoryCopy(module),
    makeMemoryFill(module),
    // All the rest
    BinaryenBlock(module, NULL, NULL, 0, -1), // block with no name and no type
    BinaryenIf(module, temp1, temp2, temp3),
    BinaryenIf(module, temp4, BinaryenDrop(module, temp5), NULL),
    BinaryenLoop(module, "in", makeInt32(module, 0)),
    BinaryenLoop(module, NULL, makeInt32(module, 0)),
    BinaryenBreak(module, "the-value", temp6, temp7),
    BinaryenBreak(module, "the-nothing", makeInt32(module, 2), NULL),
    BinaryenBreak(module, "the-value", NULL, makeInt32(module, 3)),
    BinaryenBreak(module, "the-nothing", NULL, NULL),
    BinaryenSwitch(module, switchValueNames, 1, "the-value", temp8, temp9),
    BinaryenSwitch(
      module, switchBodyNames, 1, "the-nothing", makeInt32(module, 2), NULL),
    BinaryenUnary(
      module,
      BinaryenEqZInt32(), // check the output type of the call node
      BinaryenCall(
        module, "kitchen()sinker", callOperands4, 4, BinaryenTypeInt32())),
    BinaryenUnary(module,
                  BinaryenEqZInt32(), // check the output type of the call node
                  BinaryenUnary(module,
                                BinaryenTruncSFloat32ToInt32(),
                                BinaryenCall(module,
                                             "an-imported",
                                             callOperands2,
                                             2,
                                             BinaryenTypeFloat32()))),
    BinaryenUnary(module,
                  BinaryenEqZInt32(), // check the output type of the call node
                  BinaryenCallIndirect(module,
                                       "tab",
                                       makeInt32(module, 2449),
                                       callOperands4b,
                                       4,
                                       iIfF,
                                       BinaryenTypeInt32())),
    BinaryenDrop(module, BinaryenLocalGet(module, 0, BinaryenTypeInt32())),
    BinaryenLocalSet(module, 0, makeInt32(module, 101)),
    BinaryenDrop(
      module,
      BinaryenLocalTee(module, 0, makeInt32(module, 102), BinaryenTypeInt32())),
    BinaryenLoad(
      module, 4, 0, 0, 0, BinaryenTypeInt32(), makeInt32(module, 1), "0"),
    BinaryenLoad(
      module, 2, 1, 2, 1, BinaryenTypeInt64(), makeInt32(module, 8), "0"),
    BinaryenLoad(
      module, 4, 0, 0, 0, BinaryenTypeFloat32(), makeInt32(module, 2), "0"),
    BinaryenLoad(
      module, 8, 0, 2, 8, BinaryenTypeFloat64(), makeInt32(module, 9), "0"),
    BinaryenStore(module, 4, 0, 0, temp13, temp14, BinaryenTypeInt32(), "0"),
    BinaryenStore(module, 8, 2, 4, temp15, temp16, BinaryenTypeInt64(), "0"),
    BinaryenSelect(module, temp10, temp11, temp12),
    BinaryenReturn(module, makeInt32(module, 1337)),
    // Tail call
    BinaryenReturnCall(
      module, "kitchen()sinker", callOperands4, 4, BinaryenTypeInt32()),
    BinaryenReturnCallIndirect(module,
                               "tab",
                               makeInt32(module, 2449),
                               callOperands4b,
                               4,
                               iIfF,
                               BinaryenTypeInt32()),
    // Reference types
    BinaryenRefIsNull(module, externrefExpr),
    BinaryenRefIsNull(module, funcrefExpr),
    BinaryenSelect(
      module,
      temp10,
      BinaryenRefNull(module, BinaryenTypeNullFuncref()),
      BinaryenRefFunc(module, "kitchen()sinker", kitchenSinkerRefType)),
    // GC
    BinaryenRefEq(module,
                  BinaryenRefNull(module, BinaryenTypeNullref()),
                  BinaryenRefNull(module, BinaryenTypeNullref())),
    BinaryenRefAs(module,
                  BinaryenRefAsNonNull(),
                  BinaryenRefNull(module, BinaryenTypeNullref())),
    BinaryenRefAs(module,
                  BinaryenRefAsAnyConvertExtern(),
                  BinaryenRefNull(module, BinaryenTypeNullExternref())),
    BinaryenRefAs(module,
                  BinaryenRefAsExternConvertAny(),
                  BinaryenRefNull(module, BinaryenTypeNullref())),
    // Exception handling
    BinaryenTry(module, NULL, tryBody, catchTags, 1, catchBodies, 2, NULL),
    // (try $try_outer
    //   (do
    //     (try
    //       (do
    //         (throw $a-tag (i32.const 0))
    //       )
    //       (delegate $try_outer)
    //     )
    //   )
    //   (catch_all)
    // )
    BinaryenTry(module,
                "try_outer",
                BinaryenTry(module,
                            NULL,
                            tryBody,
                            emptyCatchTags,
                            0,
                            emptyCatchBodies,
                            0,
                            "try_outer"),
                emptyCatchTags,
                0,
                nopCatchBody,
                1,
                NULL),
    // Atomics
    BinaryenAtomicStore(
      module,
      4,
      0,
      temp6,
      BinaryenAtomicLoad(module, 4, 0, BinaryenTypeInt32(), temp6, "0"),
      BinaryenTypeInt32(),
      "0"),
    BinaryenDrop(module,
                 BinaryenAtomicWait(
                   module, temp6, temp6, temp16, BinaryenTypeInt32(), "0")),
    BinaryenDrop(module, BinaryenAtomicNotify(module, temp6, temp6, "0")),
    BinaryenAtomicFence(module),
    // Tuples
    BinaryenTupleMake(module, tupleElements4a, 4),
    BinaryenTupleExtract(
      module, BinaryenTupleMake(module, tupleElements4b, 4), 2),
    // Pop
    BinaryenPop(module, BinaryenTypeInt32()),
    BinaryenPop(module, BinaryenTypeInt64()),
    BinaryenPop(module, BinaryenTypeFloat32()),
    BinaryenPop(module, BinaryenTypeFloat64()),
    BinaryenPop(module, BinaryenTypeFuncref()),
    BinaryenPop(module, BinaryenTypeExternref()),
    BinaryenPop(module, iIfF),
    // Memory
    BinaryenMemorySize(module, "0", false),
    BinaryenMemoryGrow(module, makeInt32(module, 0), "0", false),
    // GC
    BinaryenRefI31(module, makeInt32(module, 0)),
    BinaryenI31Get(module, i31refExpr, 1),
    BinaryenI31Get(module, BinaryenRefI31(module, makeInt32(module, 2)), 0),
    BinaryenRefTest(
      module, BinaryenGlobalGet(module, "i8Array-global", i8Array), i8Array),
    BinaryenRefCast(
      module, BinaryenGlobalGet(module, "i8Array-global", i8Array), i8Array),
    BinaryenStructNew(module, 0, 0, BinaryenTypeGetHeapType(i32Struct)),
    BinaryenStructNew(module,
                      (BinaryenExpressionRef[]){makeInt32(module, 0)},
                      1,
                      BinaryenTypeGetHeapType(i32Struct)),
    BinaryenStructGet(module,
                      0,
                      BinaryenGlobalGet(module, "i32Struct-global", i32Struct),
                      BinaryenTypeInt32(),
                      false),
    BinaryenStructSet(module,
                      0,
                      BinaryenGlobalGet(module, "i32Struct-global", i32Struct),
                      makeInt32(module, 0)),
    BinaryenArrayNew(
      module, BinaryenTypeGetHeapType(i8Array), makeInt32(module, 3), 0),
    BinaryenArrayNew(module,
                     BinaryenTypeGetHeapType(i8Array),
                     makeInt32(module, 3),
                     makeInt32(module, 42)),
    BinaryenArrayNewData(module,
                         BinaryenTypeGetHeapType(i8Array),
                         "0",
                         makeInt32(module, 0),
                         makeInt32(module, 2)),
    BinaryenArrayNewFixed(module,
                          BinaryenTypeGetHeapType(i8Array),
                          (BinaryenExpressionRef[]){makeInt32(module, 1),
                                                    makeInt32(module, 2),
                                                    makeInt32(module, 3)},
                          3),
    BinaryenArrayGet(module,
                     BinaryenGlobalGet(module, "i8Array-global", i8Array),
                     makeInt32(module, 0),
                     BinaryenTypeInt32(),
                     true),
    BinaryenArraySet(module,
                     BinaryenGlobalGet(module, "i8Array-global", i8Array),
                     makeInt32(module, 0),
                     makeInt32(module, 42)),
    BinaryenArrayLen(module,
                     BinaryenGlobalGet(module, "i8Array-global", i8Array)),
    BinaryenArrayFill(module,
                      BinaryenGlobalGet(module, "i8Array-global", i8Array),
                      makeInt32(module, 0),
                      makeInt32(module, 1),
                      makeInt32(module, 2)),
    BinaryenArrayCopy(module,
                      BinaryenGlobalGet(module, "i8Array-global", i8Array),
                      makeInt32(module, 0),
                      BinaryenGlobalGet(module, "i8Array-global", i8Array),
                      makeInt32(module, 1),
                      makeInt32(module, 2)),
    BinaryenArrayInitData(module,
                          "0",
                          BinaryenGlobalGet(module, "i8Array-global", i8Array),
                          makeInt32(module, 0),
                          makeInt32(module, 1),
                          makeInt32(module, 2)),
    BinaryenArrayInitElem(
      module,
      "0",
      BinaryenGlobalGet(module, "funcArray-global", funcArray),
      makeInt32(module, 0),
      makeInt32(module, 1),
      makeInt32(module, 2)),
    // Strings
    BinaryenStringNew(module,
                      BinaryenStringNewLossyUTF8Array(),
                      BinaryenGlobalGet(module, "i8Array-global", i8Array),
                      makeInt32(module, 0),
                      makeInt32(module, 0)),
    BinaryenStringNew(module,
                      BinaryenStringNewWTF16Array(),
                      BinaryenGlobalGet(module, "i16Array-global", i16Array),
                      makeInt32(module, 0),
                      makeInt32(module, 0)),
    BinaryenStringNew(
      module, BinaryenStringNewFromCodePoint(), makeInt32(module, 1), 0, 0),
    BinaryenStringConst(module, "hello world"),
    BinaryenStringMeasure(
      module,
      BinaryenStringMeasureUTF8(),
      BinaryenGlobalGet(module, "string-global", BinaryenTypeStringref())),
    BinaryenStringMeasure(
      module,
      BinaryenStringMeasureWTF16(),
      BinaryenGlobalGet(module, "string-global", BinaryenTypeStringref())),
    BinaryenStringEncode(
      module,
      BinaryenStringEncodeLossyUTF8Array(),
      BinaryenGlobalGet(module, "string-global", BinaryenTypeStringref()),
      BinaryenGlobalGet(module, "i8Array-global", i8Array),
      makeInt32(module, 0)),
    BinaryenStringEncode(
      module,
      BinaryenStringEncodeWTF16Array(),
      BinaryenGlobalGet(module, "string-global", BinaryenTypeStringref()),
      BinaryenGlobalGet(module, "i16Array-global", i16Array),
      makeInt32(module, 0)),
    BinaryenStringConcat(
      module,
      BinaryenGlobalGet(module, "string-global", BinaryenTypeStringref()),
      BinaryenGlobalGet(module, "string-global", BinaryenTypeStringref())),
    BinaryenStringEq(
      module,
      BinaryenStringEqEqual(),
      BinaryenGlobalGet(module, "string-global", BinaryenTypeStringref()),
      BinaryenGlobalGet(module, "string-global", BinaryenTypeStringref())),
    BinaryenStringEq(
      module,
      BinaryenStringEqCompare(),
      BinaryenGlobalGet(module, "string-global", BinaryenTypeStringref()),
      BinaryenGlobalGet(module, "string-global", BinaryenTypeStringref())),
    BinaryenStringWTF16Get(
      module,
      BinaryenGlobalGet(module, "string-global", BinaryenTypeStringref()),
      makeInt32(module, 0)),
    BinaryenStringSliceWTF(
      module,
      BinaryenGlobalGet(module, "string-global", BinaryenTypeStringref()),
      makeInt32(module, 0),
      makeInt32(module, 0)),
    // Other
    BinaryenNop(module),
    BinaryenUnreachable(module),
  };

  BinaryenExpressionPrint(
    valueList[3]); // test printing a standalone expression

  // Add drops of concrete expressions
  for (int i = 0; i < sizeof(valueList) / sizeof(valueList[0]); ++i) {
    BinaryenType type = BinaryenExpressionGetType(valueList[i]);
    if (type != BinaryenTypeNone() && type != BinaryenTypeUnreachable()) {
      valueList[i] = BinaryenDrop(module, valueList[i]);
    }
  }

  // Make the main body of the function. and one block with a return value, one
  // without
  BinaryenExpressionRef value =
    BinaryenBlock(module,
                  "the-value",
                  valueList,
                  sizeof(valueList) / sizeof(BinaryenExpressionRef),
                  BinaryenTypeAuto());
  BinaryenExpressionRef droppedValue = BinaryenDrop(module, value);
  BinaryenExpressionRef nothing =
    BinaryenBlock(module, "the-nothing", &droppedValue, 1, -1);
  BinaryenExpressionRef bodyList[] = {nothing, makeInt32(module, 42)};
  BinaryenExpressionRef body =
    BinaryenBlock(module, "the-body", bodyList, 2, BinaryenTypeAuto());

  // Create the function
  BinaryenType localTypes[] = {BinaryenTypeInt32(), BinaryenTypeExternref()};
  BinaryenFunctionRef sinker = BinaryenAddFunction(
    module, "kitchen()sinker", iIfF, BinaryenTypeInt32(), localTypes, 2, body);

  BinaryenIndex numLocals = BinaryenFunctionGetNumLocals(sinker);
  BinaryenIndex numParams =
    BinaryenTypeArity(BinaryenFunctionGetParams(sinker));
  BinaryenIndex newLocalIdx =
    BinaryenFunctionAddVar(sinker, BinaryenTypeFloat32());
  assert(newLocalIdx == numLocals);
  assert(BinaryenFunctionGetNumLocals(sinker) == numLocals + 1);
  assert(BinaryenFunctionGetVar(sinker, newLocalIdx - numParams) ==
         BinaryenTypeFloat32());

  // Globals

  BinaryenAddGlobal(
    module, "a-global", BinaryenTypeInt32(), 0, makeInt32(module, 7));
  BinaryenAddGlobal(module,
                    "a-mutable-global",
                    BinaryenTypeFloat32(),
                    1,
                    makeFloat32(module, 7.5));
  BinaryenAddGlobal(
    module,
    "i8Array-global",
    i8Array,
    true,
    BinaryenArrayNew(
      module, BinaryenTypeGetHeapType(i8Array), makeInt32(module, 0), 0));
  BinaryenAddGlobal(
    module,
    "i16Array-global",
    i16Array,
    true,
    BinaryenArrayNew(
      module, BinaryenTypeGetHeapType(i16Array), makeInt32(module, 0), 0));
  BinaryenAddGlobal(
    module,
    "funcArray-global",
    funcArray,
    true,
    BinaryenArrayNew(module,
                     BinaryenTypeGetHeapType(funcArray),
                     makeInt32(module, 0),
                     BinaryenRefNull(module, BinaryenTypeNullFuncref())));
  BinaryenAddGlobal(
    module,
    "i32Struct-global",
    i32Struct,
    true,
    BinaryenStructNew(module, 0, 0, BinaryenTypeGetHeapType(i32Struct)));
  BinaryenAddGlobal(module,
                    "string-global",
                    BinaryenTypeStringref(),
                    true,
                    BinaryenStringConst(module, ""));

  // Imports

  BinaryenType iF_[2] = {BinaryenTypeInt32(), BinaryenTypeFloat64()};
  BinaryenType iF = BinaryenTypeCreate(iF_, 2);
  BinaryenAddFunctionImport(
    module, "an-imported", "module", "base", iF, BinaryenTypeFloat32());

  // Exports

  BinaryenAddFunctionExport(module, "kitchen()sinker", "kitchen_sinker");

  // Function table. One per module
  const char* funcNames[] = {BinaryenFunctionGetName(sinker)};
  BinaryenAddTable(module, "0", 1, 1, BinaryenTypeFuncref());
  BinaryenAddActiveElementSegment(
    module,
    "0",
    "0",
    funcNames,
    1,
    BinaryenConst(module, BinaryenLiteralInt32(0)));
  BinaryenAddPassiveElementSegment(module, "passive", funcNames, 1);
  BinaryenAddPassiveElementSegment(module, "p2", funcNames, 1);
  BinaryenRemoveElementSegment(module, "p2");

  BinaryenExpressionRef funcrefExpr1 =
    BinaryenRefFunc(module, "kitchen()sinker", kitchenSinkerRefType);

  BinaryenExpressionPrint(BinaryenTableSet(
    module, "0", BinaryenConst(module, BinaryenLiteralInt32(0)), funcrefExpr1));

  BinaryenExpressionRef funcrefExpr2 =
    BinaryenTableGet(module,
                     "0",
                     BinaryenConst(module, BinaryenLiteralInt32(0)),
                     BinaryenTypeFuncref());

  BinaryenExpressionPrint(funcrefExpr2);

  BinaryenExpressionRef tablesize = BinaryenTableSize(module, "0");
  BinaryenExpressionPrint(tablesize);

  const char* table = BinaryenTableSizeGetTable(tablesize);
  BinaryenTableSizeSetTable(tablesize, table);

  BinaryenExpressionRef valueExpr =
    BinaryenRefNull(module, BinaryenTypeNullFuncref());
  BinaryenExpressionRef sizeExpr = makeInt32(module, 0);
  BinaryenExpressionRef growExpr =
    BinaryenTableGrow(module, "0", valueExpr, sizeExpr);
  BinaryenExpressionPrint(growExpr);

  // Start function. One per module

  BinaryenFunctionRef starter = BinaryenAddFunction(module,
                                                    "starter",
                                                    BinaryenTypeNone(),
                                                    BinaryenTypeNone(),
                                                    NULL,
                                                    0,
                                                    BinaryenNop(module));
  BinaryenSetStart(module, starter);
  assert(BinaryenGetStart(module) == starter);

  BinaryenFeatures features = BinaryenFeatureAll();
  BinaryenModuleSetFeatures(module, features);
  assert(BinaryenModuleGetFeatures(module) == features);

  // Print it out
  BinaryenModulePrint(module);

  // Verify it validates
  int valid = BinaryenModuleValidate(module);
  assert(valid);

  // Verify no error occurs when writing out the code to binary.
  size_t bufferSize = 10 * 1024 * 1024;
  char* buffer = malloc(bufferSize);
  size_t written = BinaryenModuleWrite(module, buffer, bufferSize);
  // We wrote bytes, and we did not reach the end of the buffer (which would
  // truncate).
  assert(written > 0 && written < bufferSize);

  // Clean up the module, which owns all the objects we created above
  BinaryenModuleDispose(module);

  // See we can read the bytes and get a valid module from there.
  BinaryenModuleRef readModule = BinaryenModuleRead(buffer, written);
  BinaryenModuleSetFeatures(readModule, BinaryenFeatureAll());
  valid = BinaryenModuleValidate(readModule);
  assert(valid);
  BinaryenModuleDispose(readModule);

  free(buffer);
}

void test_unreachable() {
  BinaryenModuleRef module = BinaryenModuleCreate();
  BinaryenExpressionRef body = BinaryenCallIndirect(module,
                                                    "invalid-table",
                                                    BinaryenUnreachable(module),
                                                    NULL,
                                                    0,
                                                    BinaryenTypeNone(),
                                                    BinaryenTypeInt64());
  BinaryenFunctionRef fn = BinaryenAddFunction(module,
                                               "unreachable-fn",
                                               BinaryenTypeNone(),
                                               BinaryenTypeInt32(),
                                               NULL,
                                               0,
                                               body);

  assert(BinaryenModuleValidate(module));
  BinaryenModulePrint(module);
  BinaryenModuleDispose(module);
}

BinaryenExpressionRef makeCallCheck(BinaryenModuleRef module, int x) {
  BinaryenExpressionRef callOperands[] = {makeInt32(module, x)};
  return BinaryenCall(module, "check", callOperands, 1, BinaryenTypeNone());
}

void test_relooper() {
  BinaryenModuleRef module = BinaryenModuleCreate();
  BinaryenType localTypes[] = {BinaryenTypeInt32()};

  BinaryenAddFunctionImport(module,
                            "check",
                            "module",
                            "check",
                            BinaryenTypeInt32(),
                            BinaryenTypeNone());

  { // trivial: just one block
    RelooperRef relooper = RelooperCreate(module);
    RelooperBlockRef block =
      RelooperAddBlock(relooper, makeCallCheck(module, 1337));
    BinaryenExpressionRef body = RelooperRenderAndDispose(relooper, block, 0);
    BinaryenFunctionRef sinker = BinaryenAddFunction(module,
                                                     "just-one-block",
                                                     BinaryenTypeNone(),
                                                     BinaryenTypeNone(),
                                                     localTypes,
                                                     1,
                                                     body);
  }
  { // two blocks
    RelooperRef relooper = RelooperCreate(module);
    RelooperBlockRef block0 =
      RelooperAddBlock(relooper, makeCallCheck(module, 0));
    RelooperBlockRef block1 =
      RelooperAddBlock(relooper, makeCallCheck(module, 1));
    RelooperAddBranch(
      block0, block1, NULL, NULL); // no condition, no code on branch
    BinaryenExpressionRef body = RelooperRenderAndDispose(relooper, block0, 0);
    BinaryenFunctionRef sinker = BinaryenAddFunction(module,
                                                     "two-blocks",
                                                     BinaryenTypeNone(),
                                                     BinaryenTypeNone(),
                                                     localTypes,
                                                     1,
                                                     body);
  }
  { // two blocks with code between them
    RelooperRef relooper = RelooperCreate(module);
    RelooperBlockRef block0 =
      RelooperAddBlock(relooper, makeCallCheck(module, 0));
    RelooperBlockRef block1 =
      RelooperAddBlock(relooper, makeCallCheck(module, 1));
    RelooperAddBranch(
      block0, block1, NULL, makeDroppedInt32(module, 77)); // code on branch
    BinaryenExpressionRef body = RelooperRenderAndDispose(relooper, block0, 0);
    BinaryenFunctionRef sinker = BinaryenAddFunction(module,
                                                     "two-blocks-plus-code",
                                                     BinaryenTypeNone(),
                                                     BinaryenTypeNone(),
                                                     localTypes,
                                                     1,
                                                     body);
  }
  { // two blocks in a loop
    RelooperRef relooper = RelooperCreate(module);
    RelooperBlockRef block0 =
      RelooperAddBlock(relooper, makeCallCheck(module, 0));
    RelooperBlockRef block1 =
      RelooperAddBlock(relooper, makeCallCheck(module, 1));
    RelooperAddBranch(block0, block1, NULL, NULL);
    RelooperAddBranch(block1, block0, NULL, NULL);
    BinaryenExpressionRef body = RelooperRenderAndDispose(relooper, block0, 0);
    BinaryenFunctionRef sinker = BinaryenAddFunction(module,
                                                     "loop",
                                                     BinaryenTypeNone(),
                                                     BinaryenTypeNone(),
                                                     localTypes,
                                                     1,
                                                     body);
  }
  { // two blocks in a loop with codes
    RelooperRef relooper = RelooperCreate(module);
    RelooperBlockRef block0 =
      RelooperAddBlock(relooper, makeCallCheck(module, 0));
    RelooperBlockRef block1 =
      RelooperAddBlock(relooper, makeCallCheck(module, 1));
    RelooperAddBranch(block0, block1, NULL, makeDroppedInt32(module, 33));
    RelooperAddBranch(block1, block0, NULL, makeDroppedInt32(module, -66));
    BinaryenExpressionRef body = RelooperRenderAndDispose(relooper, block0, 0);
    BinaryenFunctionRef sinker = BinaryenAddFunction(module,
                                                     "loop-plus-code",
                                                     BinaryenTypeNone(),
                                                     BinaryenTypeNone(),
                                                     localTypes,
                                                     1,
                                                     body);
  }
  { // split
    RelooperRef relooper = RelooperCreate(module);
    RelooperBlockRef block0 =
      RelooperAddBlock(relooper, makeCallCheck(module, 0));
    RelooperBlockRef block1 =
      RelooperAddBlock(relooper, makeCallCheck(module, 1));
    RelooperBlockRef block2 =
      RelooperAddBlock(relooper, makeCallCheck(module, 2));
    RelooperAddBranch(block0, block1, makeInt32(module, 55), NULL);
    RelooperAddBranch(block0, block2, NULL, NULL);
    BinaryenExpressionRef body = RelooperRenderAndDispose(relooper, block0, 0);
    BinaryenFunctionRef sinker = BinaryenAddFunction(module,
                                                     "split",
                                                     BinaryenTypeNone(),
                                                     BinaryenTypeNone(),
                                                     localTypes,
                                                     1,
                                                     body);
  }
  { // split + code
    RelooperRef relooper = RelooperCreate(module);
    RelooperBlockRef block0 =
      RelooperAddBlock(relooper, makeCallCheck(module, 0));
    RelooperBlockRef block1 =
      RelooperAddBlock(relooper, makeCallCheck(module, 1));
    RelooperBlockRef block2 =
      RelooperAddBlock(relooper, makeCallCheck(module, 2));
    BinaryenExpressionRef temp = makeDroppedInt32(module, 10);
    RelooperAddBranch(block0, block1, makeInt32(module, 55), temp);
    RelooperAddBranch(block0, block2, NULL, makeDroppedInt32(module, 20));
    BinaryenExpressionRef body = RelooperRenderAndDispose(relooper, block0, 0);
    BinaryenFunctionRef sinker = BinaryenAddFunction(module,
                                                     "split-plus-code",
                                                     BinaryenTypeNone(),
                                                     BinaryenTypeNone(),
                                                     localTypes,
                                                     1,
                                                     body);
  }
  { // if
    RelooperRef relooper = RelooperCreate(module);
    RelooperBlockRef block0 =
      RelooperAddBlock(relooper, makeCallCheck(module, 0));
    RelooperBlockRef block1 =
      RelooperAddBlock(relooper, makeCallCheck(module, 1));
    RelooperBlockRef block2 =
      RelooperAddBlock(relooper, makeCallCheck(module, 2));
    RelooperAddBranch(block0, block1, makeInt32(module, 55), NULL);
    RelooperAddBranch(block0, block2, NULL, NULL);
    RelooperAddBranch(block1, block2, NULL, NULL);
    BinaryenExpressionRef body = RelooperRenderAndDispose(relooper, block0, 0);
    BinaryenFunctionRef sinker = BinaryenAddFunction(module,
                                                     "if",
                                                     BinaryenTypeNone(),
                                                     BinaryenTypeNone(),
                                                     localTypes,
                                                     1,
                                                     body);
  }
  { // if + code
    RelooperRef relooper = RelooperCreate(module);
    RelooperBlockRef block0 =
      RelooperAddBlock(relooper, makeCallCheck(module, 0));
    RelooperBlockRef block1 =
      RelooperAddBlock(relooper, makeCallCheck(module, 1));
    RelooperBlockRef block2 =
      RelooperAddBlock(relooper, makeCallCheck(module, 2));
    BinaryenExpressionRef temp = makeDroppedInt32(module, -1);
    RelooperAddBranch(block0, block1, makeInt32(module, 55), temp);
    RelooperAddBranch(block0, block2, NULL, makeDroppedInt32(module, -2));
    RelooperAddBranch(block1, block2, NULL, makeDroppedInt32(module, -3));
    BinaryenExpressionRef body = RelooperRenderAndDispose(relooper, block0, 0);
    BinaryenFunctionRef sinker = BinaryenAddFunction(module,
                                                     "if-plus-code",
                                                     BinaryenTypeNone(),
                                                     BinaryenTypeNone(),
                                                     localTypes,
                                                     1,
                                                     body);
  }
  { // if-else
    RelooperRef relooper = RelooperCreate(module);
    RelooperBlockRef block0 =
      RelooperAddBlock(relooper, makeCallCheck(module, 0));
    RelooperBlockRef block1 =
      RelooperAddBlock(relooper, makeCallCheck(module, 1));
    RelooperBlockRef block2 =
      RelooperAddBlock(relooper, makeCallCheck(module, 2));
    RelooperBlockRef block3 =
      RelooperAddBlock(relooper, makeCallCheck(module, 3));
    RelooperAddBranch(block0, block1, makeInt32(module, 55), NULL);
    RelooperAddBranch(block0, block2, NULL, NULL);
    RelooperAddBranch(block1, block3, NULL, NULL);
    RelooperAddBranch(block2, block3, NULL, NULL);
    BinaryenExpressionRef body = RelooperRenderAndDispose(relooper, block0, 0);
    BinaryenFunctionRef sinker = BinaryenAddFunction(module,
                                                     "if-else",
                                                     BinaryenTypeNone(),
                                                     BinaryenTypeNone(),
                                                     localTypes,
                                                     1,
                                                     body);
  }
  { // loop+tail
    RelooperRef relooper = RelooperCreate(module);
    RelooperBlockRef block0 =
      RelooperAddBlock(relooper, makeCallCheck(module, 0));
    RelooperBlockRef block1 =
      RelooperAddBlock(relooper, makeCallCheck(module, 1));
    RelooperBlockRef block2 =
      RelooperAddBlock(relooper, makeCallCheck(module, 2));
    RelooperAddBranch(block0, block1, NULL, NULL);
    RelooperAddBranch(block1, block0, makeInt32(module, 10), NULL);
    RelooperAddBranch(block1, block2, NULL, NULL);
    BinaryenExpressionRef body = RelooperRenderAndDispose(relooper, block0, 0);
    BinaryenFunctionRef sinker = BinaryenAddFunction(module,
                                                     "loop-tail",
                                                     BinaryenTypeNone(),
                                                     BinaryenTypeNone(),
                                                     localTypes,
                                                     1,
                                                     body);
  }
  { // nontrivial loop + phi to head
    RelooperRef relooper = RelooperCreate(module);
    RelooperBlockRef block0 =
      RelooperAddBlock(relooper, makeCallCheck(module, 0));
    RelooperBlockRef block1 =
      RelooperAddBlock(relooper, makeCallCheck(module, 1));
    RelooperBlockRef block2 =
      RelooperAddBlock(relooper, makeCallCheck(module, 2));
    RelooperBlockRef block3 =
      RelooperAddBlock(relooper, makeCallCheck(module, 3));
    RelooperBlockRef block4 =
      RelooperAddBlock(relooper, makeCallCheck(module, 4));
    RelooperBlockRef block5 =
      RelooperAddBlock(relooper, makeCallCheck(module, 5));
    RelooperBlockRef block6 =
      RelooperAddBlock(relooper, makeCallCheck(module, 6));
    RelooperAddBranch(block0, block1, NULL, makeDroppedInt32(module, 10));
    RelooperAddBranch(block1, block2, makeInt32(module, -2), NULL);
    RelooperAddBranch(block1, block6, NULL, makeDroppedInt32(module, 20));
    RelooperAddBranch(block2, block3, makeInt32(module, -6), NULL);
    RelooperAddBranch(block2, block1, NULL, makeDroppedInt32(module, 30));
    RelooperAddBranch(block3, block4, makeInt32(module, -10), NULL);
    RelooperAddBranch(block3, block5, NULL, NULL);
    RelooperAddBranch(block4, block5, NULL, NULL);
    RelooperAddBranch(block5, block6, NULL, makeDroppedInt32(module, 40));
    BinaryenExpressionRef body = RelooperRenderAndDispose(relooper, block0, 0);
    BinaryenFunctionRef sinker =
      BinaryenAddFunction(module,
                          "nontrivial-loop-plus-phi-to-head",
                          BinaryenTypeNone(),
                          BinaryenTypeNone(),
                          localTypes,
                          1,
                          body);
  }
  { // switch
    RelooperRef relooper = RelooperCreate(module);
    BinaryenExpressionRef temp = makeInt32(module, -99);
    RelooperBlockRef block0 =
      RelooperAddBlockWithSwitch(relooper, makeCallCheck(module, 0), temp);
    // TODO: this example is not very good, the blocks should end in a |return|
    // as otherwise they
    //       fall through to each other. A relooper block should end in
    //       something that stops control flow, if it doesn't have branches
    //       going out
    RelooperBlockRef block1 =
      RelooperAddBlock(relooper, makeCallCheck(module, 1));
    RelooperBlockRef block2 =
      RelooperAddBlock(relooper, makeCallCheck(module, 2));
    RelooperBlockRef block3 =
      RelooperAddBlock(relooper, makeCallCheck(module, 3));
    BinaryenIndex to_block1[] = {2, 5};
    RelooperAddBranchForSwitch(block0, block1, to_block1, 2, NULL);
    BinaryenIndex to_block2[] = {4};
    RelooperAddBranchForSwitch(
      block0, block2, to_block2, 1, makeDroppedInt32(module, 55));
    RelooperAddBranchForSwitch(block0, block3, NULL, 0, NULL);
    BinaryenExpressionRef body = RelooperRenderAndDispose(relooper, block0, 0);
    BinaryenFunctionRef sinker = BinaryenAddFunction(module,
                                                     "switch",
                                                     BinaryenTypeNone(),
                                                     BinaryenTypeNone(),
                                                     localTypes,
                                                     1,
                                                     body);
  }
  { // duff's device
    RelooperRef relooper = RelooperCreate(module);
    RelooperBlockRef block0 =
      RelooperAddBlock(relooper, makeCallCheck(module, 0));
    RelooperBlockRef block1 =
      RelooperAddBlock(relooper, makeCallCheck(module, 1));
    RelooperBlockRef block2 =
      RelooperAddBlock(relooper, makeCallCheck(module, 2));
    RelooperAddBranch(block0, block1, makeInt32(module, 10), NULL);
    RelooperAddBranch(block0, block2, NULL, NULL);
    RelooperAddBranch(block1, block2, NULL, NULL);
    RelooperAddBranch(block2, block1, NULL, NULL);
    BinaryenExpressionRef body =
      RelooperRenderAndDispose(relooper, block0, 3); // use $3 as the helper var
    BinaryenType localTypes[] = {BinaryenTypeInt32(),
                                 BinaryenTypeInt32(),
                                 BinaryenTypeInt64(),
                                 BinaryenTypeInt32(),
                                 BinaryenTypeFloat32(),
                                 BinaryenTypeFloat64(),
                                 BinaryenTypeInt32()};
    BinaryenFunctionRef sinker =
      BinaryenAddFunction(module,
                          "duffs-device",
                          BinaryenTypeNone(),
                          BinaryenTypeNone(),
                          localTypes,
                          sizeof(localTypes) / sizeof(BinaryenType),
                          body);
  }

  { // return in a block
    RelooperRef relooper = RelooperCreate(module);
    BinaryenExpressionRef listList[] = {
      makeCallCheck(module, 42),
      BinaryenReturn(module, makeInt32(module, 1337))};
    BinaryenExpressionRef list =
      BinaryenBlock(module, "the-list", listList, 2, -1);
    RelooperBlockRef block = RelooperAddBlock(relooper, list);
    BinaryenExpressionRef body = RelooperRenderAndDispose(relooper, block, 0);
    BinaryenFunctionRef sinker = BinaryenAddFunction(module,
                                                     "return",
                                                     BinaryenTypeNone(),
                                                     BinaryenTypeInt32(),
                                                     localTypes,
                                                     1,
                                                     body);
  }

  printf("raw:\n");
  BinaryenModulePrint(module);

  assert(BinaryenModuleValidate(module));

  BinaryenModuleOptimize(module);

  assert(BinaryenModuleValidate(module));

  printf("optimized:\n");
  BinaryenModulePrint(module);

  BinaryenModuleDispose(module);
}

void test_binaries() {
  char buffer[1024];
  size_t size;

  { // create a module and write it to binary
    BinaryenModuleRef module = BinaryenModuleCreate();
    BinaryenType ii_[2] = {BinaryenTypeInt32(), BinaryenTypeInt32()};
    BinaryenType ii = BinaryenTypeCreate(ii_, 2);
    BinaryenExpressionRef x = BinaryenLocalGet(module, 0, BinaryenTypeInt32()),
                          y = BinaryenLocalGet(module, 1, BinaryenTypeInt32());
    BinaryenExpressionRef add =
      BinaryenBinary(module, BinaryenAddInt32(), x, y);
    BinaryenFunctionRef adder = BinaryenAddFunction(
      module, "adder", ii, BinaryenTypeInt32(), NULL, 0, add);
    BinaryenSetDebugInfo(1);                          // include names section
    size = BinaryenModuleWrite(module, buffer, 1024); // write out the module
    BinaryenSetDebugInfo(0);
    BinaryenModuleDispose(module);
  }

  assert(size > 0);
  assert(size < 512); // this is a tiny module

  // read the module from the binary
  BinaryenModuleRef module = BinaryenModuleRead(buffer, size);

  // validate, print, and free
  assert(BinaryenModuleValidate(module));
  printf("module loaded from binary form:\n");
  BinaryenModulePrint(module);

  // write the s-expr representation of the module.
  BinaryenModuleWriteText(module, buffer, 1024);
  printf("module s-expr printed (in memory):\n%s\n", buffer);

  // write the s-expr representation to a pointer which is managed by the
  // caller
  char* text = BinaryenModuleAllocateAndWriteText(module);
  printf("module s-expr printed (in memory, caller-owned):\n%s\n", text);
  free(text);

  // write StackIR
  text = BinaryenModuleAllocateAndWriteStackIR(module);
  printf("module s-expr printed (StackIR):\n%s\n", text);
  free(text);

  BinaryenModuleDispose(module);
}

void test_interpret() {
  // create a simple module with a start method that prints a number, and
  // interpret it, printing that number.
  BinaryenModuleRef module = BinaryenModuleCreate();

  BinaryenType iparams[2] = {BinaryenTypeInt32()};
  BinaryenAddFunctionImport(module,
                            "print-i32",
                            "spectest",
                            "print",
                            BinaryenTypeInt32(),
                            BinaryenTypeNone());

  BinaryenExpressionRef callOperands[] = {makeInt32(module, 1234)};
  BinaryenExpressionRef call =
    BinaryenCall(module, "print-i32", callOperands, 1, BinaryenTypeNone());
  BinaryenFunctionRef starter = BinaryenAddFunction(
    module, "starter", BinaryenTypeNone(), BinaryenTypeNone(), NULL, 0, call);
  BinaryenSetStart(module, starter);

  BinaryenModulePrint(module);
  assert(BinaryenModuleValidate(module));
  BinaryenModuleInterpret(module);
  BinaryenModuleDispose(module);
}

void test_nonvalid() {
  // create a module that fails to validate
  {
    BinaryenModuleRef module = BinaryenModuleCreate();

    BinaryenType localTypes[] = {BinaryenTypeInt32()};
    BinaryenFunctionRef func = BinaryenAddFunction(
      module,
      "func",
      BinaryenTypeNone(),
      BinaryenTypeNone(),
      localTypes,
      1,
      BinaryenLocalSet(module, 0, makeInt64(module, 1234)) // wrong type!
    );

    BinaryenModulePrint(module);
    printf("validation: %d\n", BinaryenModuleValidate(module));

    BinaryenModuleDispose(module);
  }
}

void test_color_status() {
  int i;

  // save old state
  const int old_state = BinaryenAreColorsEnabled();

  // Check that we can set the state to both {0, 1}
  for (i = 0; i <= 1; i++) {
    BinaryenSetColorsEnabled(i);
    assert(BinaryenAreColorsEnabled() == i);
  }

  BinaryenSetColorsEnabled(old_state);
}

void test_for_each() {
  BinaryenIndex i;

  BinaryenModuleRef module = BinaryenModuleCreate();
  BinaryenFunctionRef fns[3] = {};
  fns[0] = BinaryenAddFunction(module,
                               "fn0",
                               BinaryenTypeNone(),
                               BinaryenTypeNone(),
                               NULL,
                               0,
                               BinaryenNop(module));
  fns[1] = BinaryenAddFunction(module,
                               "fn1",
                               BinaryenTypeNone(),
                               BinaryenTypeNone(),
                               NULL,
                               0,
                               BinaryenNop(module));
  fns[2] = BinaryenAddFunction(module,
                               "fn2",
                               BinaryenTypeNone(),
                               BinaryenTypeNone(),
                               NULL,
                               0,
                               BinaryenNop(module));
  {
    for (i = 0; i < BinaryenGetNumFunctions(module); i++) {
      assert(BinaryenGetFunctionByIndex(module, i) == fns[i]);
    }

    BinaryenExportRef exps[3] = {0};
    exps[0] = BinaryenAddFunctionExport(module, "fn0", "export0");
    exps[1] = BinaryenAddFunctionExport(module, "fn1", "export1");
    exps[2] = BinaryenAddFunctionExport(module, "fn2", "export2");

    for (i = 0; i < BinaryenGetNumExports(module); i++) {
      assert(BinaryenGetExportByIndex(module, i) == exps[i]);
    }

    const char* segmentNames[] = {"0", "1"};
    const char* segmentDatas[] = {"hello, world", "segment data 2"};
    const uint32_t expected_offsets[] = {10, 125};
    bool segmentPassives[] = {false, false};
    BinaryenIndex segmentSizes[] = {12, 14};

    BinaryenExpressionRef segmentOffsets[] = {
      BinaryenConst(module, BinaryenLiteralInt32(expected_offsets[0])),
      BinaryenGlobalGet(module, "a-global", BinaryenTypeInt32())};
    BinaryenSetMemory(module,
                      1,
                      256,
                      "mem",
                      segmentNames,
                      segmentDatas,
                      segmentPassives,
                      segmentOffsets,
                      segmentSizes,
                      2,
                      0,
                      0,
                      "0");
    BinaryenAddGlobal(module,
                      "a-global",
                      BinaryenTypeInt32(),
                      0,
                      makeInt32(module, expected_offsets[1]));

    for (i = 0; i < BinaryenGetNumMemorySegments(module); i++) {
      char out[15] = {};
      assert(BinaryenGetMemorySegmentByteOffset(module, segmentNames[i]) ==
             expected_offsets[i]);
      assert(BinaryenGetMemorySegmentByteLength(module, segmentNames[i]) ==
             segmentSizes[i]);
      BinaryenCopyMemorySegmentData(module, segmentNames[i], out);
      assert(0 == strcmp(segmentDatas[i], out));
    }
  }
  {
    const char* funcNames[] = {BinaryenFunctionGetName(fns[0]),
                               BinaryenFunctionGetName(fns[1]),
                               BinaryenFunctionGetName(fns[2])};
    BinaryenExpressionRef constExprRef =
      BinaryenConst(module, BinaryenLiteralInt32(0));
    BinaryenAddTable(module, "0", 1, 1, BinaryenTypeFuncref());
    BinaryenAddActiveElementSegment(
      module, "0", "0", funcNames, 3, constExprRef);
    assert(1 == BinaryenGetNumElementSegments(module));
    BinaryenElementSegmentRef segment =
      BinaryenGetElementSegmentByIndex(module, 0);
    assert(constExprRef == BinaryenElementSegmentGetOffset(segment));
    for (i = 0; i != BinaryenElementSegmentGetLength(segment); ++i) {
      const char* str = BinaryenElementSegmentGetData(segment, i);
      assert(0 == strcmp(funcNames[i], str));
    }
  }
  BinaryenModulePrint(module);
  BinaryenModuleDispose(module);
}

void test_func_opt() {
  BinaryenModuleRef module = BinaryenModuleCreate();
  BinaryenType ii_[2] = {BinaryenTypeInt32(), BinaryenTypeInt32()};
  BinaryenType ii = BinaryenTypeCreate(ii_, 2);
  BinaryenExpressionRef x = BinaryenConst(module, BinaryenLiteralInt32(1)),
                        y = BinaryenConst(module, BinaryenLiteralInt32(3));
  BinaryenExpressionRef add = BinaryenBinary(module, BinaryenAddInt32(), x, y);
  BinaryenFunctionRef adder = BinaryenAddFunction(
    module, "adder", BinaryenTypeNone(), BinaryenTypeInt32(), NULL, 0, add);

  puts("module with a function to optimize:");
  BinaryenModulePrint(module);

  assert(BinaryenModuleValidate(module));

  BinaryenFunctionOptimize(adder, module);

  assert(BinaryenModuleValidate(module));

  puts("optimized:");
  BinaryenModulePrint(module);

  BinaryenModuleDispose(module);
}

void test_typebuilder() {
  printf("TypeBuilderErrorReasonSelfSupertype: %d\n",
         TypeBuilderErrorReasonSelfSupertype());
  printf("TypeBuilderErrorReasonInvalidSupertype: %d\n",
         TypeBuilderErrorReasonInvalidSupertype());
  printf("TypeBuilderErrorReasonForwardSupertypeReference: %d\n",
         TypeBuilderErrorReasonForwardSupertypeReference());
  printf("TypeBuilderErrorReasonForwardChildReference: %d\n",
         TypeBuilderErrorReasonForwardChildReference());

  TypeBuilderRef builder = TypeBuilderCreate(0);
  assert(TypeBuilderGetSize(builder) == 0);
  TypeBuilderGrow(builder, 4);
  assert(TypeBuilderGetSize(builder) == 4);

  // Create a recursive array of its own type
  const BinaryenIndex tempArrayIndex = 0;
  BinaryenHeapType tempArrayHeapType =
    TypeBuilderGetTempHeapType(builder, tempArrayIndex);
  BinaryenType tempArrayType =
    TypeBuilderGetTempRefType(builder, tempArrayHeapType, true);
  TypeBuilderSetArrayType(builder,
                          tempArrayIndex,
                          tempArrayType,
                          BinaryenPackedTypeNotPacked(),
                          true);
  TypeBuilderSetOpen(builder, tempArrayIndex);

  // Create a recursive struct with a field of its own type
  const BinaryenIndex tempStructIndex = 1;
  BinaryenHeapType tempStructHeapType =
    TypeBuilderGetTempHeapType(builder, tempStructIndex);
  BinaryenType tempStructType =
    TypeBuilderGetTempRefType(builder, tempStructHeapType, true);
  {
    BinaryenType fieldTypes[] = {tempStructType};
    BinaryenPackedType fieldPackedTypes[] = {BinaryenPackedTypeNotPacked()};
    bool fieldMutables[] = {true};
    TypeBuilderSetStructType(
      builder, tempStructIndex, fieldTypes, fieldPackedTypes, fieldMutables, 1);
    TypeBuilderSetOpen(builder, tempStructIndex);
  }

  // Create a recursive signature with parameter and result including its own
  // type
  const BinaryenIndex tempSignatureIndex = 2;
  BinaryenHeapType tempSignatureHeapType =
    TypeBuilderGetTempHeapType(builder, tempSignatureIndex);
  BinaryenType tempSignatureType =
    TypeBuilderGetTempRefType(builder, tempSignatureHeapType, true);
  {
    BinaryenType paramTypes[] = {tempSignatureType, tempArrayType};
    TypeBuilderSetSignatureType(
      builder,
      tempSignatureIndex,
      TypeBuilderGetTempTupleType(builder, (BinaryenType*)&paramTypes, 2),
      tempSignatureType);
    TypeBuilderSetOpen(builder, tempSignatureIndex);
  }

  // Create a subtype (with an additional immutable packed field)
  const BinaryenIndex tempSubStructIndex = 3;
  BinaryenHeapType tempSubStructHeapType =
    TypeBuilderGetTempHeapType(builder, tempSubStructIndex);
  BinaryenType tempSubStructType =
    TypeBuilderGetTempRefType(builder, tempSubStructHeapType, true);
  {
    BinaryenType fieldTypes[] = {
      tempStructType, BinaryenTypeInt32()}; // must repeat existing fields
    BinaryenPackedType fieldPackedTypes[] = {BinaryenPackedTypeNotPacked(),
                                             BinaryenPackedTypeInt8()};
    bool fieldMutables[] = {true, false};
    TypeBuilderSetStructType(builder,
                             tempSubStructIndex,
                             fieldTypes,
                             fieldPackedTypes,
                             fieldMutables,
                             2);
    TypeBuilderSetOpen(builder, tempSubStructIndex);
  }
  TypeBuilderSetSubType(builder, tempSubStructIndex, tempStructHeapType);

  // Build the type hierarchy and dispose the builder
  BinaryenHeapType heapTypes[4];
  BinaryenIndex errorIndex;
  TypeBuilderErrorReason errorReason;
  bool didBuildAndDispose = TypeBuilderBuildAndDispose(
    builder, (BinaryenHeapType*)&heapTypes, &errorIndex, &errorReason);
  assert(didBuildAndDispose);

  BinaryenHeapType arrayHeapType = heapTypes[tempArrayIndex];
  assert(!BinaryenHeapTypeIsSignature(arrayHeapType));
  assert(!BinaryenHeapTypeIsStruct(arrayHeapType));
  assert(BinaryenHeapTypeIsArray(arrayHeapType));
  assert(!BinaryenHeapTypeIsBottom(arrayHeapType));
  assert(BinaryenHeapTypeIsSubType(arrayHeapType, BinaryenHeapTypeArray()));
  BinaryenType arrayType = BinaryenTypeFromHeapType(arrayHeapType, true);
  assert(BinaryenArrayTypeGetElementType(arrayHeapType) == arrayType);
  assert(BinaryenArrayTypeGetElementPackedType(arrayHeapType) ==
         BinaryenPackedTypeNotPacked());
  assert(BinaryenArrayTypeIsElementMutable(arrayHeapType));

  BinaryenHeapType structHeapType = heapTypes[tempStructIndex];
  assert(!BinaryenHeapTypeIsSignature(structHeapType));
  assert(BinaryenHeapTypeIsStruct(structHeapType));
  assert(!BinaryenHeapTypeIsArray(structHeapType));
  assert(!BinaryenHeapTypeIsBottom(structHeapType));
  assert(BinaryenHeapTypeIsSubType(structHeapType, BinaryenHeapTypeStruct()));
  BinaryenType structType = BinaryenTypeFromHeapType(structHeapType, true);
  assert(BinaryenStructTypeGetNumFields(structHeapType) == 1);
  assert(BinaryenStructTypeGetFieldType(structHeapType, 0) == structType);
  assert(BinaryenStructTypeGetFieldPackedType(structHeapType, 0) ==
         BinaryenPackedTypeNotPacked());
  assert(BinaryenStructTypeIsFieldMutable(structHeapType, 0));

  BinaryenHeapType signatureHeapType = heapTypes[tempSignatureIndex];
  assert(BinaryenHeapTypeIsSignature(signatureHeapType));
  assert(!BinaryenHeapTypeIsStruct(signatureHeapType));
  assert(!BinaryenHeapTypeIsArray(signatureHeapType));
  assert(!BinaryenHeapTypeIsBottom(signatureHeapType));
  assert(BinaryenHeapTypeIsSubType(signatureHeapType, BinaryenHeapTypeFunc()));
  BinaryenType signatureType =
    BinaryenTypeFromHeapType(signatureHeapType, true);
  BinaryenType signatureParams =
    BinaryenSignatureTypeGetParams(signatureHeapType);
  assert(BinaryenTypeArity(signatureParams) == 2);
  BinaryenType expandedSignatureParams[2];
  BinaryenTypeExpand(signatureParams, (BinaryenType*)expandedSignatureParams);
  assert(expandedSignatureParams[0] == signatureType);
  assert(expandedSignatureParams[1] == arrayType);
  BinaryenType signatureResults =
    BinaryenSignatureTypeGetResults(signatureHeapType);
  assert(BinaryenTypeArity(signatureResults) == 1);
  assert(signatureResults == signatureType);

  BinaryenHeapType subStructHeapType = heapTypes[tempSubStructIndex];
  assert(!BinaryenHeapTypeIsSignature(subStructHeapType));
  assert(BinaryenHeapTypeIsStruct(subStructHeapType));
  assert(!BinaryenHeapTypeIsArray(subStructHeapType));
  assert(!BinaryenHeapTypeIsBottom(subStructHeapType));
  assert(
    BinaryenHeapTypeIsSubType(subStructHeapType, BinaryenHeapTypeStruct()));
  assert(BinaryenHeapTypeIsSubType(subStructHeapType, structHeapType));
  BinaryenType subStructType =
    BinaryenTypeFromHeapType(subStructHeapType, true);
  assert(BinaryenStructTypeGetNumFields(subStructHeapType) == 2);
  assert(BinaryenStructTypeGetFieldType(subStructHeapType, 0) == structType);
  assert(BinaryenStructTypeGetFieldType(subStructHeapType, 1) ==
         BinaryenTypeInt32());
  assert(BinaryenStructTypeGetFieldPackedType(subStructHeapType, 0) ==
         BinaryenPackedTypeNotPacked());
  assert(BinaryenStructTypeGetFieldPackedType(subStructHeapType, 1) ==
         BinaryenPackedTypeInt8());
  assert(BinaryenStructTypeIsFieldMutable(subStructHeapType, 0));
  assert(!BinaryenStructTypeIsFieldMutable(subStructHeapType, 1));

  // Build a simple test module, validate and print it
  BinaryenModuleRef module = BinaryenModuleCreate();
  BinaryenModuleSetTypeName(module, arrayHeapType, "SomeArray");
  BinaryenModuleSetTypeName(module, structHeapType, "SomeStruct");
  BinaryenModuleSetFieldName(module, structHeapType, 0, "SomeField");
  BinaryenModuleSetTypeName(module, signatureHeapType, "SomeSignature");
  BinaryenModuleSetTypeName(module, subStructHeapType, "SomeSubStruct");
  BinaryenModuleSetFieldName(module, subStructHeapType, 0, "SomeField");
  BinaryenModuleSetFieldName(module, subStructHeapType, 1, "SomePackedField");
  BinaryenModuleSetFeatures(
    module, BinaryenFeatureReferenceTypes() | BinaryenFeatureGC());
  {
    BinaryenType varTypes[] = {
      arrayType, structType, signatureType, subStructType};
    BinaryenAddFunction(module,
                        "test",
                        BinaryenTypeNone(),
                        BinaryenTypeNone(),
                        varTypes,
                        4,
                        BinaryenNop(module));
    // Also test adding a function using the HeapType-using API.
    BinaryenAddFunctionWithHeapType(
      module, "test2", signatureHeapType, NULL, 0, BinaryenUnreachable(module));
  }
  bool didValidate = BinaryenModuleValidate(module);
  assert(didValidate);
  printf("module with recursive GC types:\n");
  BinaryenModulePrint(module);
  BinaryenModuleDispose(module);
}

void test_callref_and_types() {
  BinaryenModuleRef module = BinaryenModuleCreate();
  BinaryenModuleSetFeatures(module, BinaryenFeatureAll());

  // Create a tiny function.
  BinaryenFunctionRef tiny = BinaryenAddFunction(module,
                                                 "tiny",
                                                 BinaryenTypeNone(),
                                                 BinaryenTypeNone(),
                                                 NULL,
                                                 0,
                                                 BinaryenNop(module));

  // Get a non-nullable type with that function's heap type.
  BinaryenHeapType funcType =
    BinaryenTypeFromHeapType(BinaryenFunctionGetType(tiny), false);

  // Add a CallRef with that function and that type. Note that the RefFunc must
  // use that type (and not generic funcref, as in the IR the type must always
  // be precise).
  BinaryenExpressionRef callRef =
    BinaryenCallRef(module,
                    BinaryenRefFunc(module, "tiny", funcType),
                    NULL,
                    0,
                    BinaryenTypeNone(),
                    false);
  BinaryenFunctionSetBody(tiny, callRef);

  bool didValidate = BinaryenModuleValidate(module);
  assert(didValidate);
  printf("module with a call_ref:\n");
  BinaryenModulePrint(module);
  BinaryenModuleDispose(module);
}

int main() {
  test_types();
  test_features();
  test_core();
  test_unreachable();
  test_relooper();
  test_binaries();
  test_interpret();
  test_nonvalid();
  test_color_status();
  test_for_each();
  test_func_opt();
  test_typebuilder();
  test_callref_and_types();

  return 0;
}